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LED array and direct backlight unit

A technology of light-emitting diodes and backlight modules, which is applied to semiconductor devices, optics, and light sources of light-emitting elements, and can solve problems such as poor light mixing effects of light-emitting diode arrays 100

Inactive Publication Date: 2006-11-29
INNOLUX CORP
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Problems solved by technology

[0005] However, according to the arrangement, if viewed from the same row, each row of a plurality of LEDs 110 of different colors in the existing LED array 100 is illuminated by the same color of light (such as green light, red light or blue light). ) LEDs are arranged, therefore, each row of the LED array 100 will form a plurality of colored lights of different colors, resulting in poor light mixing effect of the LED array 100

Method used

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  • LED array and direct backlight unit
  • LED array and direct backlight unit
  • LED array and direct backlight unit

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Embodiment Construction

[0044] Please refer to figure 2 , which is a schematic diagram of a light emitting diode array arrangement in a preferred embodiment of the present invention. The LED array 200 of the present invention is mainly composed of a plurality of first color LEDs 212 , a plurality of second color LEDs 214 and a plurality of third color LEDs 216 . Wherein the first color light emitting diode 212 , the second color light emitting diode 214 and the third color light emitting diode 216 are arranged in an (m×n) array. For this embodiment, the first color light emitting diode 212 is, for example, a green light emitting diode, the second color light emitting diode 214 is, for example, a red light emitting diode, and the third color light emitting diode 216 is, for example, a blue light emitting diode, and these first color light emitting diodes The light emitting diodes 212, the second color light emitting diodes 214 and the third color light emitting diodes 216 are arranged in a (8×6) arr...

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Abstract

A LED array is prepared as arranging LED with the first color light, LED with the second color light and LED with the third color light in array way, setting two LED with the first color light and one LED with the second color light as well as one LED with the third color light in each 1x 4 matrix of said LED array and in one of 4x 1 array as well as 2x 2 array. The back light module of straight down type formed by multiple LED with the first color light, multiple LED with the second color light, multiple LED with the third color light and multiple bar circuit board is also disclosed.

Description

technical field [0001] The invention relates to a light emitting diode array (LED Array) and a direct type back light module (Direct Type Back Light Module), in particular to a light emitting diode array and a direct type back light module capable of realizing uniform color mixing. Background technique [0002] With the increasing development of the IT industry, digital tools such as mobile phones, digital cameras, digital video cameras, notebook computers, and desktop computers are all developing in a more convenient, multi-functional and aesthetically pleasing direction. The display screens of mobile phones, digital cameras, digital video cameras, notebook computers and desktop computers are indispensable human-machine communication interfaces, and the display screens of the products can bring more convenience to users. . In recent years, most of the display screens on mobile phones, digital cameras, digital video cameras, notebook computers and desktop computers use LCD ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02F1/13357F21S2/00H01L25/075H01L25/13H01L33/00G02F1/1335F21K9/23
Inventor 谢鸿生洪振滨
Owner INNOLUX CORP
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