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Electronics Business

We are committed to advancing innovative IT and enriching the lives of humankind.

TV and household appliances
Chemtronics develops and manufactures optical components, communications components, and electronic circuit components,
which are key components of TVs.
Electronic circuit component
01. Function module Integrated module with switches that control TV channels and sound, power switch, and sensors.
We supply various function modules in line with customers’ requirements.

02. One connect Board Media receiver with a built-in TV tuner, also called OCB. The OCB has make it possible to design even slimmer TVs,
allowing them to be mounted on walls or in various designs. The OCB includes ports such as HDMI, optical audio, USB,
and LAN, that were previously directly connected to the TV.

03. Timing control Board Board that delivers TV signals to the driver IC controlling the LCD panel, managing the amount of transmitted data and
improving picture quality.
Communications components
Wifi module
Chemtronics supplies Wi-Fi modules, which enable various smart functions (IoT) through wireless connection between
TV and mobile devices.
Optical components
LED Backlight module
Since TV LCD panels can’t emit light, they require backlights, which are optical components to provide illumination.
Chemtronics produces backlight modules using LED elements and supplies a variety of backlight products ranging from
UHD to 8K to global TV manufacturers, including Samsung Electronics.

PBA

5 KEY Switch

Type: Key Function Board

Interface Board

Type: Sub - PCB

Product 5 KEY Switch

Type: Key Function Board

Description

TV , MNT Power, CH, VOL Function Keys

Illumination, color sensor (Adjusts TV color brightness according to surrounding light)

Remote control reception, IR blaster functionality

Application

Samsung QTV, UHD, FHD

Product Interface Board

Type: Sub - PCB

Description

Installed on the chassis part of the TV LED back panel

Connects LED bar boards, which emit multiple kinds of light, to the TV power supply.

Application

Samsung QTV

ONE CONNECT Board

Type: OCB

Product ONE CONNECT Board

Type: OCB

Description

Media receiver with built-in TV tuner

Serves as a hub that connects all compatible devices and minimizes cable clutter.

Application

Samsung QTV, UHD

BLM

Back Light Module

Type: Direct Type / Edge Type

Product Back Light Module

Type: Plate Type

Description

Premium level LED TV sized from 55" to 75"

PKG : Q90(4K), Q900(8K)

Application

TV Set thickness 10mm

Apply High Quality, Big Size Model

Product Back Light Module

Type: Direct Type

Description

Main Stream TV sized from 32" to 75“

PKG : FCOM , Lens : Diffusion Type

Application

Entry-level LED TV that Illuminates the LED light directly from the back (Direct type)

*The amount of LED can be reduced : 144ea → 45ea / Based on 50 sets

Product Back Light Module

Type: Edge Type

Description

Premium level LED TV sized from 50" to 85"

PKG : SFL70

Application

TV Set thickness: 15mm under

PBA - Display Board[Sensor]

Oven, microwave

Product TOUCH DISPLAY (TOUCH KEY)
Application LG_INDUCTION / OVEN / MICROWAVE

Washing Machine

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1
Product

TOUCH DISPLAY (TOUCH KEY)

Operating Sensibility

50g~100g

Overlay Possibilities

Aluminum Thickness 0.2-2.0mm

Stainless steel Thickness 0.2-1.0mm

Glass Thickness 0.3-2.0mm

Polycarbonate / Plastic Thickness 0.2-3.0mm

Application

SAMSUNG_WASHING MACHINE / DRYER

2
Product

TOUCH DISPLAY (TOUCH KEY)

Operating Sensibility

50g~100g

Overlay Possibilities

Aluminum Thickness 0.2-2.0mm

Stainless steel Thickness 0.2-1.0mm

Glass Thickness 0.3-2.0mm

Polycarbonate / Plastic Thickness 0.2-3.0mm

Application

SAMSUNG_WASHING MACHINE / DRYER

Air purifiers, water filtration system

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  • 2
1
2
Product

TOUCH DISPLAY (TOUCH KEY)

Operating Sensibility

50g~100g

Overlay Possibilities

Aluminum Thickness 0.2-2.0mm

Stainless steel Thickness 0.2-1.0mm

Glass Thickness 0.3-2.0mm

Polycarbonate / Plastic Thickness 0.2-3.0mm

Application

WINIX_AIR CLEANER / DEHUMIDIFIER

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3
Product

TOUCH DISPLAY (TOUCH KEY)

Operating Sensibility

50g~100g

Overlay Possibilities

Aluminum Thickness 0.2-2.0mm

Stainless steel Thickness 0.2-1.0mm

Glass Thickness 0.3-2.0mm

Polycarbonate / Plastic Thickness 0.2-3.0mm

Application

HAATZ_HOOD

4
Product

LEVEL SENSOR

Application

CHUNGHO_WATER PURIFIER

PBA

Projector

Product

TOF SENSOR BOARD

Description

Uses TOF (Time of Flight) signals (near-infrared, ultrasound, or laser) and
measures distance and angle to an object (relative surface), then sends that
data to the mainboard.

Application

SAMSUNG_BEAM PROJECTOR