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Everlight Electronics has introduced an ambient light sensor range that meets the requirements for power-management solutions for the display backlighting of mobile phones, notebooks and PDAs.

Everlight’s ambient light sensors (ALS) combine a photodiode and a current amplifier IC in one package.

This system saves power for backlighting displays in mobile appliances by adjusting the backlight brightness depending on the ambient light.

To ensure accurate measurement, the spectral response of the ambient light sensor corresponds to that of the human eye.

The Everlight ALSs are current-output types that offer a high-output linearity across a wide illumination range and a low sensitivity variation across various light sources.

The ALS can be operated within a supply voltage range from 1.8 to 5.5V and in a temperature range from -40 to 85C.

The Everlight Ambient Light Sensor range is RoHS compliant, Pb Free and halogen-free.

The sensors can also be used in computing and consumer devices, automatic residential and commercial management, in- and outdoor light control, automatic contrast enhancement for electronic signboards, ambient light monitoring devices for daylight and artificial light, street light and CCD/CCTV.

Besides the standard ALS, Everlight also provides a combined ambient light and proximity sensor called APS.

The APS has the same features as an ALS but is additionally equipped with a proximity sensor to measure the closeness of approaching/departing objects.

This device is intended primarily for use in applications in which measurement of both ambient light and proximity sensing is a must, such as laptop computers, PDAs, camcorders and GPS systems.

Everlight Electronics

Everlight Electronics Co., Ltd. was founded in 1983 in Taiwan. Playing a critical role in the formation of the global LED industry, the company is rapidly ascending to become a leading supplier due to its dedication to certification, R&D, production, quality, marketing and global customer service.

Today, Everlight is a global company with over 6,400 employees, with bases located around the world to provide immediate service and prompt delivery to its customers. Sales offices are based in China, Hong Kong, Japan, Korea, Singapore, Malaysia, India, Germany, Sweden, U.S., and Canada and manufacturing facilities are located in China and Taiwan.

Although facing different marketing challenges from numerous worldwide Optoelectronic suppliers, Everlight Electronics’ excellent performance is convincing in the global market. In addition to having a diverse product portfolio consisting of High Power LEDs, Lamps, SMD LEDs, Lighting Modules, Digital Displays, Optocouplers and Infrared Components, Everlight Electronics’ ability to integrate both downstream and upstream development enables them to lead the market.

Everlight is one of the few global optoelectronics suppliers with complete control over its production facilities. This in-house capability enables Everlight to have full manufacturing and quality control, ensuring quick reaction to market shifts with short lead time responses.

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