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Light-emitting device

A light-emitting device and light-emitting unit technology, applied in the direction of lighting devices, optics, light sources, etc., can solve the problems of complicated manufacturing process, increase the trouble of material control, increase cost, etc., and achieve the effect of reducing line configuration

Inactive Publication Date: 2009-05-27
AUSK OPTOELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the above-mentioned control technology, since all brightness control integrated circuits need to be programmed with different addresses, the manufacturing process is complicated, and the trouble of material control is greatly increased, and the cost is also increased.

Method used

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Embodiment Construction

[0050] A light emitting device according to a preferred embodiment of the present invention will be described below with reference to related drawings.

[0051] Such as figure 1 As shown, a light emitting device 1 according to a preferred embodiment of the present invention includes a plurality of light emitting units 11 (11a, 11b, ...), a plurality of brightness control integrated circuits 12 (12a, 12b, ...) and at least one system control unit 13 . Wherein, each brightness control integrated circuit 12 is electrically connected to each light emitting unit 11 , and is electrically connected to the system control unit 13 through an external circuit 14 .

[0052]In this embodiment, at least two brightness control integrated circuits 12 do not have addressing information. Here, having no addressing information means that the brightness control integrated circuit 12 is not programmed or stored with address information. The brightness control integrated circuits 12 do not achie...

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PUM

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Abstract

The invention relates to an illuminating apparatus comprising a plurality of illuminating units, a plurality of brightness control integrated circuits and at least one system control unit. At least two of the brightness control integrated circuits have no addressing information and accomplish the addressing by an extrinsic circuit connected with the brightness control integrated circuits. Each brightness control integrated circuit is connected to an illuminating unit electrically. The system control unit addresses every brightness control integrated circuit via at least one addressing signal, and writes a brightness control signal into each brightness control integrated circuit which controls the illuminating unit according to the brightness control signal.

Description

technical field [0001] The invention relates to a light emitting device. Background technique [0002] In a liquid crystal display device (LCD), a cathode fluorescent lamp is generally used as a light emitting unit of a backlight module. However, because cathode fluorescent lamps are inferior to light-emitting diodes (LEDs) in terms of color performance, LEDs are currently used as light sources for backlight modules of liquid crystal display devices under the premise that the technology of light-emitting diodes is gradually maturing. [0003] For liquid crystal display devices such as LCD TVs, the number of light-emitting diodes required for the backlight module usually requires tens to hundreds of pieces. In order to make it able to present a better display picture, it is necessary to control each light-emitting diode to achieve the desired result. required brightness. [0004] In the control technology used in the industry today, a brightness control integrated circuit i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05B37/02F21V23/00G05B19/02G02F1/13357F21Y101/02F21Y115/10G02F1/1335
Inventor 林崇智
Owner AUSK OPTOELECTRONICS