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Light emitting diode area light source module of liquid crystal display

A light-emitting diode, liquid crystal display technology, applied in optics, instruments, nonlinear optics, etc., can solve problems such as short circuits, and achieve the effect of solving short circuits

Inactive Publication Date: 2006-11-01
TPO DISPLAY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The main purpose of the present invention is to provide a light-emitting diode surface light source module for liquid crystal displays, which can effectively solve the problem of short circuit caused by the bare wire area of ​​the wire touching the nearby metal shell

Method used

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  • Light emitting diode area light source module of liquid crystal display
  • Light emitting diode area light source module of liquid crystal display
  • Light emitting diode area light source module of liquid crystal display

Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0041] see Figure 4 and Figure 5 , Figure 4 A perspective view showing the LED surface light source module of the first embodiment of the present invention, Figure 5 An exploded view showing the LED surface light source module according to the first embodiment of the present invention.

[0042] An LED surface light source module 40 according to the first embodiment of the present invention includes a metal shell 42 , an LED circuit board 44 , an optical template set 46 , a power supply 48 and two wires 60 . The metal shell 42 is composed of a flat base 50, a bent portion 52 and three protrusions 54, wherein the bent portion 52 is located on one side of the metal shell 42, and the bent portion 52 and the flat base The overlapping area of ​​50 forms a storage space 53 , and the three protrusions 54 are respectively located on the other three sides of the metal casing 42 . The LED circuit board 44 includes a plurality of LED chips 56 , and a groove 45 is made at both ends...

no. 2 example

[0046] The components and assembly method of the LED surface light source module in the second embodiment of the present invention are substantially the same as those described in the first embodiment, so the same description is omitted here. The difference lies in the groove outline design of the LED circuit board of the second embodiment of the present invention.

[0047] see Figure 8A and Figure 8B , Figure 8A A plan view showing an LED circuit board of a second embodiment of the present invention, Figure 8B show Figure 8A The partially enlarged plan view of the LED circuit board and wires. The two ends of the LED circuit board 44 are made with a groove 45' respectively, and then one end of the lead 60 can be welded on the welding pad 58 near the groove 45', so as to produce an electrical connection effect with the power supply 48. In particular, the groove 45' of the second embodiment of the present invention is formed by a bottom 45'I and an arc-shaped side 45'I...

no. 3 example

[0050] The components and assembling method of the LED surface light source module of the third embodiment of the present invention are substantially the same as those described in the first and second embodiments, so the same description is omitted here. The difference lies in that the groove profile design of the LED circuit board of the third embodiment of the present invention is to design the arc-shaped side as a hypotenuse.

[0051] see Figure 9A , which shows a plan view of the groove of the modified first embodiment. Two ends of the LED circuit board 44 are respectively made with a groove 47, especially, the groove 47 is formed by a bottom 47I and two hypotenuses 47II, but the size of the groove 47 and the symmetry of the hypotenuse 47II are not limited. Type and angle of inclination of the hypotenuse 47II.

[0052] see Figure 9B , which shows a plan view of the groove of the modified second embodiment. Both ends of the LED circuit board 44 are respectively made ...

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Abstract

A light-emitting diode surface light source module of LCD comprises a metal housing, including a plane base, a bended portion and at least a projecting portion, wherein the bending portion is arranged on one side of the metal housing, a light-emitting diode circuit board assembled in the storage space including a plurality of chips, at least a soldering pad and at least a groove, and a light source module arranged on the plane base portion of the metal housing, and at least a directing line.

Description

technical field [0001] The invention relates to a surface light source module of a liquid crystal display (LCD), in particular to a light emitting diode (LED) surface light source module of a liquid crystal display (LCD). Background technique [0002] The composition structure of a liquid crystal display (LCD) mainly includes a liquid crystal glass unit cell, a color filter and a surface light source module. The liquid crystal glass unit cell is mainly used to control the display of patterns or characters, the color filter mainly provides red, blue and green color matching, and the surface light source module is used to provide uniform, high brightness and wide viewing angle display effects. Generally, according to the type of LCD panel, the surface light source module can be divided into backlight module and front light module. The backlight module is located behind the glass chip and color filter, and is mainly used in transmissive panels. The front light module is located...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02F1/13357H01R4/02G02F1/1335
Inventor 林精皇蔡易宏
Owner TPO DISPLAY
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