IndustryAtlasSUPPLY CHAIN HANDBOOK
Trace design and manufacturing, compute, display/touch, sensors and batteries, then inspect disclosed brand cooperation. Customer lists, product categories and named models have different evidence scopes and do not establish supply shares or revenue impacts.
Phones combine multiple functional modules, and models differ in design, sourcing and manufacturing responsibility. Brands define the product; ODMs may participate in design, while EMS providers execute contracted manufacturing tasks. Compute, cameras, displays and batteries have separate qualification and delivery paths. To assess changing demand, identify the model and function involved before matching disclosed cooperation. A brand on a supplier's customer list is a research starting point, not proof of adoption in every handset.
Display, connectivity, imaging, compute and battery-life goals become component and mechanical specifications. Brands, ODMs and manufacturing providers divide design, sourcing, assembly and testing responsibilities by project.
Display drivers convert image data into panel signals, while touch controllers recognize input. Separate ICs and integrated TDDI configurations require matching panel interfaces and system validation.
Cells store energy; packs add protection and connections. Charging control and fuel gauges work with device loads, so runtime also depends on display, radio and compute consumption.
Assess exposure at three levels: customer brand, component category and named model. A customer list alone supports monitoring; model adoption or shipment disclosures are needed for a more specific assessment.
A smartphone combines computing, communications, imaging, display and power in limited space. Its SoC, memory, RF, cameras, panel and battery connect upstream to HDI, flexible boards, packaging and CCL. This route describes major functions rather than a complete bill of materials.
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A system-on-chip integrates several functions into a chip or platform. CPUs handle general tasks, GPUs handle graphics and parallel computation, and NPUs target selected AI workloads. Phones, PCs and embedded products use different configurations.
Equal advertised AI compute does not mean equal speed for every model. Check numerical precision, model size and whether a figure combines several engines.
Memory, power, boards, packaging and software turn the platform into a usable device. Camera processing or connectivity functions may be integrated or external.
Distinction: An NPU is only a hardware capability. Applications must be able to use it to produce a practical benefit.
Dimensity platforms integrate mobile computing and communications.
Product / role sourceSnapdragon platforms cover mobile computing, AI and connectivity.
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The modem processes communications signals, while the RF front end amplifies, filters and switches signals between antennas and transceiver circuits. More bands and operating scenarios increase the coordination required across modules, antennas and the complete phone.
Modules can combine RF components to save board space, but the same advertised connection capability does not imply the same component list in every phone.
Small RF modules require fine connections and suitable materials. Antenna placement, enclosure design and full-device testing also affect signal performance.
Distinction: A modem is not the entire RF front end, and a SoC does not automatically replace antennas, filters and amplifiers.
GaAs RF IC manufacturing platforms for RF chip-design companies.
Product / role sourceRF Fusion and other solutions integrate mobile RF front-end functions.
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Phone displays integrate a panel with driving, touch and interconnect functions. OLED is self-emissive; LCD uses a different approach. This guide uses phone OLED requirements as an entry point without assuming that every device uses the same technology.
Brightness, refresh rate and power vary with the use case. Emissive-material improvements can reduce OLED consumption, but battery, enclosure and system settings also affect the experience.
Protection, drivers, touch and connections must be integrated. A flexible panel cannot bend arbitrarily at every location.
Open the phone interface and sensor map to compare display drivers, touch control and TDDI. These are functional and integration options, not separate parts required by every panel.
Smartphone display-driver ICsSmartphone touch-controller ICsTouch and display integrationOptical film substratesUV optical replication resinsLenticular and light-routing filmsSwitchable 3D optical layersMicro-optical imprint tools and stampsMicro-optical forming and alignmentEye-position tracking modulesInfrared and sensing components3D image weaving and processingGlasses-free 3D display modulesComputer monitorsPC and tablet display driver ICsLCD backlights and light guidesPC and tablet touch-display integration
Distinction: OLED, flexible OLED and a complete foldable phone are different levels of integration. Panel technology does not prove device reliability.
LCD and OLED are different display technologies; panels, driver ICs, touch components and complete-product assembly also have distinct roles.
LCD and mobile displays supporting thin, touch-enabled and other designs.
Product / role sourceLCD and advanced display technologies, panels and application solutions.
Product / role sourceOLED display panels for smartphones.
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A camera connects optics, image sensing and processing. Phones prioritize photography and video; industrial vision and robotics may place more emphasis on motion, timing and recognition. Pixel count alone cannot compare these applications.
Industrial applications may prioritize moving objects and exposure timing, while phones face different image-quality and size requirements. Global-shutter and other sensors offer different trade-offs.
Images can become inputs for recognition or robot perception. They must reach a suitable processor through interfaces that support the data volume.
Distinction: More pixels do not guarantee better results in every setting, and phone-camera choices cannot simply be reused for industrial sensing.
Lenses provide imaging optics, while sensors convert light into electrical signals; they are different components.
Smartphone lenses and other optical products.
Product / role sourceCMOS image sensors for mobile devices.
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Batteries store energy while charging and power management coordinate the external supply, battery and system loads. Runtime also depends on the display, computing, connectivity and usage.
Follow LCO and other cathodes, anodes and shared processes into small pouch cells, packs, charging, protection and fuel gauging. Qualify materials and cell specifications for each application.
Phones and EVs share lithium-ion material and process categories. Phones emphasize thinness and volume use; EVs require high-voltage, multi-cell and pack-level thermal integration. Shared nodes do not make recipes, production lines or products interchangeable.
Peak power is not the average charging rate, and capacity alone does not determine runtime. Cell conditions, management circuits, thermal design and actual loads must be considered together.
LCO and high-voltage cathodesSmall smartphone pouch cellsSmartphone battery packsPhone charging and power-path ICsPhone battery protection ICsPhone battery fuel-gauge ICsNotebook and tablet battery packs
Distinction: Capacity alone does not determine runtime; devices with equal battery capacity can last for different amounts of time.
Battery cells, packs and charging ICs belong to different stages; charging-chip vendors are not battery-cell manufacturers.
Battery packs for laptops, tablets, phones and other portable devices.
Product / role sourceBQ25898 and other ICs manage lithium-battery charging and system power paths.
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LCO is an important cathode route for smartphone and portable-electronics cells. High-voltage designs require compatible materials and electrolytes to balance energy and service life.
Umicore publishes several LCO grades. LG Energy Solution lists high-voltage LCO and mid-nickel NCM technology for small IT pouch cells. This node focuses on LCO; distinguish other cathode formulations.
Distinction: Not every phone cell uses LCO. Silicon-carbon describes an anode formulation, not an alternative on the same axis as an LCO cathode.
Scope of these company examples
Published CellCore LCO grades for portable electronics.
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Cell manufacturers integrate electrodes, separators and electrolyte into rechargeable energy-storage units. Smartphones commonly use thin pouch designs with customized dimensions.
ATL publishes smartphone battery applications and LG Energy Solution publishes small IT pouch cells. Capacity, volumetric density, fast charging, swelling and life must be balanced with protection and device integration.
Distinction: Pouch describes the package format, not an all-solid-state electrolyte. Cell and pack manufacturers perform different roles, although one group may span several stages.
Scope of these company examples
Published smartphone battery applications addressing capacity, dimensions and life; no specific brand order is inferred.
Product / role sourcePublished small smartphone pouch cells and high-voltage LCO/NCM technology, distinct from automotive products.
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Pack manufacturers combine cells, protection circuits, interfaces and mechanical parts to deliver battery assemblies for integration into smartphones.
Simplo publishes smartphone battery-module design support and Dynapack lists mobile-phone battery packs. Fuel gauging and other management functions may reside on the pack or system side, depending on the device.
Distinction: A phone pack does not use the same hierarchy, thermal system or crash structure as a high-voltage EV pack. A pack business does not establish in-house cell manufacturing.
Scope of these company examples
IT business publishes battery-module design support for notebook, tablet and smartphone customers.
Product / role sourceProduct range explicitly lists mobile-phone battery packs; included here for the pack role.
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Charger ICs control voltage, current and charging between the input supply and battery. Power-path management coordinates external power, the battery and system loads.
TI BQ25898 is a published example with charging, power-path and temperature-related control. IC ratings are only one part of a system that also includes cells, protocols, cables, adapters and phone thermal design.
Distinction: Charging, battery protection and fuel gauging perform different functions. They may share a chip and are not necessarily separate physical parts.
Scope of these company examples
BQ25898 and other charge controllers; IC specifications do not establish device charging time.
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Protection circuits monitor abnormal battery conditions and use switching devices to restrict or disconnect charge and discharge. Detection functions and thresholds depend on the IC and circuit.
ABLIC lists smartphone applications and alarm functions for its S-82L1/T1/U1/V1 single-cell protection products. Cell quality, charge control and device validation remain essential.
Distinction: A protection IC does not make arbitrary cells or charge settings safe. Phone protection functions do not establish compliance with high-voltage automotive BMS requirements.
Scope of these company examples
S-82L1/T1/U1/V1 products list smartphone applications and alarm functions.
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Fuel gauges use measurements and battery models to estimate remaining charge for display and energy management. Estimation must account for load, temperature and aging.
TI mobile-phone pack resources distinguish fuel gauging from protection. Gauges can be placed on the pack or system side, and some devices integrate protection or other management functions.
Distinction: Battery percentage is an estimate, not a direct measurement of remaining runtime. Different workloads produce different runtime at the same indicated charge.
Scope of these company examples
Mobile-phone pack resources provide fuel-gauge and related management solutions.
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Phone ODMs support product definition, hardware and software design, procurement and production. Design responsibilities depend on the brand and project.
Longcheer and Huaqin publish smartphone design and manufacturing services. ODM work can span price tiers and product categories.
Distinction: ODM and EMS describe roles, not mutually exclusive company types. One company can take different responsibilities across projects.
Scope of these company examples
Published design-to-manufacturing services; other products include AI PCs.
Product / role sourcePublished design-to-production smartphone solutions across price tiers.
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Manufacturing services integrate components, boards and modules into finished phones. Procurement, assembly, testing and delivery responsibilities depend on the contract.
Pegatron reports communications products that include smartphones. This role does not attribute all communications revenue to phones or one brand.
Distinction: A manufacturing service provider can also design products. ODM and EMS are not two separate companies that every phone must pass through.
Scope of these company examples
Communications includes smartphones; segment revenue is not phone-only revenue.
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Display-driver ICs convert image data into signals required by a panel. IC design, panel manufacturing and module integration are distinct roles.
Novatek publishes small smartphone display drivers; FocalTech publishes display drivers and integrated solutions. LCD and OLED requirements differ.
Distinction: Panel makers are not necessarily DDIC designers. TDDI can integrate touch and display driving, so separate DDICs and TDDIs should not both be counted as mandatory chips.
Scope of these company examples
Small display drivers explicitly list smartphone applications.
Product / role sourcePublished display drivers and AMOLED integration solutions.
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Touch controllers process sensing signals to detect contact positions and input. Touch can be separate from display driving or integrated with it.
FocalTech and Goodix publish touch controllers. Touch, display driving and fingerprint recognition perform different tasks.
Distinction: A touch-controller customer is not automatically a customer for that supplier's display drivers or fingerprint products. Standalone touch and TDDI are different integration options.
Scope of these company examples
Published phone touch products; distinguish them from IDC/TDDI.
Product / role sourcePhone touch-controller ICs and solutions.
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TDDI integrates touch control and display driving on a chip, coordinated with the panel and interfaces to reduce some connections and components.
FocalTech publishes LCD and AMOLED IDC/TDDI solutions. The panel and device determine whether separate or integrated ICs are used.
Distinction: TDDI is an integration approach, not a sufficient indicator of phone price tier or an architecture required by every panel.
Scope of these company examples
Published LCD and AMOLED touch/display integration.
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Ambient-light sensors help adjust screen brightness and color. Proximity sensing detects nearby objects, for example to turn off a screen during calls. These tasks differ from camera imaging.
Sensortek publishes proximity, ambient-light, RGB and flicker-sensing products, including integrated solutions. Its 2025 report names phone customers without mapping individual chips or purchase volumes.
Distinction: ALS/PS sensors are different from camera CMOS image sensors. Product and customer disclosures alone do not establish abnormal inventory, order cuts or a future revenue decline.
Scope of these company examples
ALS, PS, RGB and flicker sensing; distinct from camera CIS.
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Fingerprint sensors acquire signals for recognition with algorithms and system integration. Capacitive, optical and ultrasonic approaches have different sensing and integration requirements.
FocalTech discloses smartphone fingerprint products and commercial brands. Goodix offers capacitive, optical in-display and ultrasonic solutions.
Distinction: Fingerprint recognition is not ordinary touch input. Tablet or notebook adoption does not establish a smartphone supply relationship.
Scope of these company examples
Published smartphone fingerprint products and commercial customers.
Product / role sourceCapacitive, optical in-display and ultrasonic products.
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Trace publicly disclosed cooperation from the brand side, distinguishing customer lists, commercial product categories and named device adoption.
These are checked public examples, not a complete supplier list. Customer names may lack product or model detail, while one model does not represent a whole brand. No purchase volume, revenue share or future order guarantee is implied.
Evidence and scope are listed below and can also be found through the company directory.
Distinction: A brand production cut does not imply a proportional revenue decline for every partner. Models, supply shares, order timing and other businesses matter.
Scope of these company examples
Galaxy smartphone families
Product / role sourceNamed in the company profile; no phone model or production volume is specified.
Product / role sourceNamed in the 2025 report; individual sensor models are not mapped to the brand.
Product / role sourceListed under smartphone fingerprint applications; no model, volume or period is specified.
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Trace publicly disclosed cooperation from the brand side, distinguishing customer lists, commercial product categories and named device adoption.
These are checked public examples, not a complete supplier list. Customer names may lack product or model detail, while one model does not represent a whole brand. No purchase volume, revenue share or future order guarantee is implied.
Evidence and scope are listed below and can also be found through the company directory.
Distinction: A brand production cut does not imply a proportional revenue decline for every partner. Models, supply shares, order timing and other businesses matter.
Scope of these company examples
Xiaomi, REDMI and POCO
Product / role sourceNamed in the company profile; no phone model or production volume is specified.
Product / role sourceNamed in the 2025 report; individual sensor models are not mapped to the brand.
Product / role sourceThe 2026-09-23 announcement identifies touch controllers and ultrasonic fingerprint sensing in Xiaomi 18 Pro models.
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Trace publicly disclosed cooperation from the brand side, distinguishing customer lists, commercial product categories and named device adoption.
These are checked public examples, not a complete supplier list. Customer names may lack product or model detail, while one model does not represent a whole brand. No purchase volume, revenue share or future order guarantee is implied.
Evidence and scope are listed below and can also be found through the company directory.
Distinction: A brand production cut does not imply a proportional revenue decline for every partner. Models, supply shares, order timing and other businesses matter.
Scope of these company examples
Phone brand and product integration
Product / role sourceNamed in the company profile; no phone model or production volume is specified.
Product / role sourceNamed in the 2025 report; individual sensor models are not mapped to the brand.
Product / role sourceListed under smartphone fingerprint applications; no model, volume or period is specified.
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Trace publicly disclosed cooperation from the brand side, distinguishing customer lists, commercial product categories and named device adoption.
These are checked public examples, not a complete supplier list. Customer names may lack product or model detail, while one model does not represent a whole brand. No purchase volume, revenue share or future order guarantee is implied.
Evidence and scope are listed below and can also be found through the company directory.
Distinction: A brand production cut does not imply a proportional revenue decline for every partner. Models, supply shares, order timing and other businesses matter.
Scope of these company examples
Phone brand and product integration
Product / role sourceNamed in the company profile; no phone model or production volume is specified.
Product / role sourceNamed in the 2025 report; individual sensor models are not mapped to the brand.
Product / role sourceListed under smartphone fingerprint applications; no model, volume or period is specified.
Product / role sourceExplore this role on the mapSuggest a correctionBack to contents
Trace publicly disclosed cooperation from the brand side, distinguishing customer lists, commercial product categories and named device adoption.
These are checked public examples, not a complete supplier list. Customer names may lack product or model detail, while one model does not represent a whole brand. No purchase volume, revenue share or future order guarantee is implied.
Evidence and scope are listed below and can also be found through the company directory.
Distinction: A brand production cut does not imply a proportional revenue decline for every partner. Models, supply shares, order timing and other businesses matter.
Scope of these company examples
TECNO, Infinix and itel
Product / role sourceListed under smartphone fingerprint applications; no model, volume or period is specified.
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