CN100414362C

CN100414362C - LCD module

Info

Publication number: CN100414362C
Application number: CNB2005101210281A
Authority: CN
Inventors: 韩虹; 林文斌; 张志弘; 陈飞虹
Original assignee: Innolux Shenzhen Co Ltd; Innolux Display Corp
Current assignee: Innolux Shenzhen Co Ltd; Innolux Corp
Priority date: 2005-12-22
Filing date: 2005-12-22
Publication date: 2008-08-27
Anticipated expiration: 2025-12-22
Also published as: CN1987563A

Abstract

The liquid crystal display (LCD) module includes a LCD faceplate, a frame for accommodating the LCD faceplate, a print circuit board (PCB) setup on the frame, and a fixing device setup between the PCB and the LCD faceplate. The PCB includes surface. The fixing device includes a load supporting wall lower than surface of the PCB in order to load bearing the LCD faceplate.

Description

LCD module

【技术领域】【Technical field】

本发明涉及一种液晶显示模组，尤其涉及一种厚度较小的液晶显示模组。The invention relates to a liquid crystal display module, in particular to a liquid crystal display module with a small thickness.

【背景技术】【Background technique】

因为液晶显示装置(liquid crystal display，LCD)具有功耗低、轻薄化等优点，已被广泛应用于个人电脑、个人数字助理和手机等。Because liquid crystal display devices (liquid crystal displays, LCDs) have the advantages of low power consumption, thinness, and the like, they have been widely used in personal computers, personal digital assistants, and mobile phones.

请参阅图1，是一种现有技术液晶显示模组的结构示意图。该液晶显示模组1包括一液晶显示面板10、两印刷电路板(printed circuitboard，PCB)12、一胶框14和一背光模组16。Please refer to FIG. 1 , which is a schematic structural diagram of a liquid crystal display module in the prior art. The LCD module 1 includes a LCD panel 10 , two printed circuit boards (PCB) 12 , a plastic frame 14 and a backlight module 16 .

该液晶显示面板10包括一上基板102、一相对该上基板102的下基板104、一设置在该上基板102与该下基板104之间的液晶层106、一贴覆在该上基板102上表面101的偏光片103和一贴覆在该下基板104下表面105的偏光片107。该偏光片107的长度小于该下基板104的长度。The liquid crystal display panel 10 includes an upper substrate 102, a lower substrate 104 opposite to the upper substrate 102, a liquid crystal layer 106 disposed between the upper substrate 102 and the lower substrate 104, and a layer attached to the upper substrate 102. A polarizer 103 on the surface 101 and a polarizer 107 attached to the lower surface 105 of the lower substrate 104 . The length of the polarizer 107 is less than the length of the lower substrate 104 .

该两印刷电路板12相对固定在该胶框14上，并相邻该液晶显示面板10设置。The two printed circuit boards 12 are relatively fixed on the plastic frame 14 and adjacent to the liquid crystal display panel 10 .

该背光模组16对应该液晶显示面板10设置，并收容在该胶框14中，该背光模组16包括一导光板17、一光源18和一棱镜片(prismfilm)19。该导光板17包括一入光面172和一相邻该入光面172的出光面174，该光源18相邻该入光面172设置，该棱镜片19相邻该导光板17的出光面174设置，其包括相邻该液晶显示面板10的棱镜结构192。该棱镜结构192可以将射出导光板17出光面174的光收敛在某一区域，从而增加该区域内光的亮度，为该液晶显示面板10提供高亮度的光。The backlight module 16 is disposed corresponding to the liquid crystal display panel 10 and accommodated in the plastic frame 14 . The backlight module 16 includes a light guide plate 17 , a light source 18 and a prism film 19 . The light guide plate 17 includes a light incident surface 172 and a light exit surface 174 adjacent to the light incident surface 172, the light source 18 is disposed adjacent to the light incident surface 172, and the prism sheet 19 is adjacent to the light exit surface 174 of the light guide plate 17. configuration, which includes a prism structure 192 adjacent to the liquid crystal display panel 10 . The prism structure 192 can converge the light emitted from the light-emitting surface 174 of the light guide plate 17 to a certain area, thereby increasing the brightness of the light in this area, and providing high-brightness light for the liquid crystal display panel 10 .

因为该棱镜片19的棱镜结构192容易被损伤，其不能与液晶显示面板10直接接触，需要将液晶显示面板10设置在该两印刷电路板12之上，通过印刷电路板12将液晶显示面板10与棱镜片19隔开，从而使得该液晶显示模组1的厚度增加。Because the prism structure 192 of this prism sheet 19 is easily damaged, it cannot be in direct contact with the liquid crystal display panel 10. It is separated from the prism sheet 19, so that the thickness of the liquid crystal display module 1 is increased.

【发明内容】【Content of invention】

为了解决现有技术液晶显示模组厚度较大的问题，有必要提供一种厚度较小的液晶显示模组。In order to solve the problem of large thickness of the liquid crystal display module in the prior art, it is necessary to provide a liquid crystal display module with a small thickness.

一种液晶显示模组，其包括一液晶显示面板、一框架、一固定在该框架上的印刷电路板和一固定于该印刷电路板的固定装置，该固定装置设置在该印刷电路板与该液晶显示面板之间。该印刷电路板包括一表面，该固定装置包括一低于该印刷电路板表面的承载壁以承载该液晶显示面板。A liquid crystal display module, which includes a liquid crystal display panel, a frame, a printed circuit board fixed on the frame and a fixing device fixed on the printed circuit board, the fixing device is arranged between the printed circuit board and the between LCD panels. The printed circuit board includes a surface, and the fixing device includes a bearing wall lower than the surface of the printed circuit board to support the liquid crystal display panel.

与现有技术相比，前述液晶显示模组在印刷电路板与液晶显示面板之间设置固定装置，通过固定装置的承载壁承载该液晶显示面板，使该液晶显示面板的一表面低于该印刷电路板的表面，从而减小该液晶显示模组的厚度。Compared with the prior art, the above-mentioned liquid crystal display module is provided with a fixing device between the printed circuit board and the liquid crystal display panel, and the liquid crystal display panel is carried by the carrying wall of the fixing device, so that one surface of the liquid crystal display panel is lower than the printed The surface of the circuit board, thereby reducing the thickness of the liquid crystal display module.

【附图说明】【Description of drawings】

图1是一种现有技术液晶显示模组的结构示意图。FIG. 1 is a schematic structural diagram of a liquid crystal display module in the prior art.

图2是本发明液晶显示模组的第一实施方式的结构示意图。FIG. 2 is a schematic structural view of the first embodiment of the liquid crystal display module of the present invention.

图3是本发明液晶显示模组的第二实施方式的结构示意图。FIG. 3 is a schematic structural view of the second embodiment of the liquid crystal display module of the present invention.

图4是本发明液晶显示模组的第三实施方式的结构示意图。FIG. 4 is a schematic structural diagram of a third embodiment of the liquid crystal display module of the present invention.

【具体实施方式】【Detailed ways】

请参阅图2，是本发明液晶显示模组第一实施方式的结构示意图。该液晶显示模组2包括一液晶显示面板20、两印刷电路板22、一胶框24、两固定片25和一背光模组26。Please refer to FIG. 2 , which is a schematic structural diagram of the first embodiment of the liquid crystal display module of the present invention. The liquid crystal display module 2 includes a liquid crystal display panel 20 , two printed circuit boards 22 , a plastic frame 24 , two fixing pieces 25 and a backlight module 26 .

该液晶显示面板20包括一上基板202、一相对该上基板202的下基板204、一设置在该上基板202与该下基板204之间的液晶层206、一贴覆在该上基板202上表面201的偏光片203和一贴覆在该下基板204下表面205的偏光片207。该上基板202与该下基板204是玻璃基板。该偏光片207的长度小于该下基板204的长度。The liquid crystal display panel 20 includes an upper substrate 202, a lower substrate 204 opposite to the upper substrate 202, a liquid crystal layer 206 disposed between the upper substrate 202 and the lower substrate 204, and a The polarizer 203 on the surface 201 and a polarizer 207 attached to the lower surface 205 of the lower substrate 204 . The upper substrate 202 and the lower substrate 204 are glass substrates. The length of the polarizer 207 is less than the length of the lower substrate 204 .

该两印刷电路板22相对固定在该胶框24上，并相邻该液晶显示面板20设置。The two printed circuit boards 22 are relatively fixed on the plastic frame 24 and adjacent to the liquid crystal display panel 20 .

该背光模组26相对该液晶显示面板20设置，且收容在该胶框24中，其包括一导光板27、一光源28和一棱镜片29。该导光板27包括一入光面272和一相邻该入光面272的出光面274，该光源28相邻该入光面272设置，该棱镜片29相邻该导光板27的出光面274设置，其包括相邻该液晶显示面板20的棱镜结构292。该棱镜结构292可以将射出导光板27出光面274的光收敛在某一区域，从而增加该区域内光的亮度，为该液晶显示面板20提供高亮度的光。The backlight module 26 is disposed opposite to the liquid crystal display panel 20 and accommodated in the plastic frame 24 , which includes a light guide plate 27 , a light source 28 and a prism sheet 29 . The light guide plate 27 includes a light incident surface 272 and a light exit surface 274 adjacent to the light incident surface 272, the light source 28 is disposed adjacent to the light incident surface 272, and the prism sheet 29 is adjacent to the light exit surface 274 of the light guide plate 27. configuration, which includes a prism structure 292 adjacent to the liquid crystal display panel 20 . The prism structure 292 can converge the light emitted from the light-emitting surface 274 of the light guide plate 27 to a certain area, thereby increasing the brightness of the light in this area, and providing high-brightness light for the liquid crystal display panel 20 .

该两固定片25分别设置在该印刷电路板22和该液晶显示面板20之间，其大致为Z形，包括三依序相连的连接壁252、250和254。其中，该连接壁252垂直于该连接壁250，该连接壁254沿与该连接壁252相反的方向垂直于该连接壁250，该连接壁252固定在该印刷电路板22的上表面222，该连接壁254低于该印刷电路板22的上表面222并承载该下基板204。The two fixing pieces 25 are respectively disposed between the printed circuit board 22 and the liquid crystal display panel 20 , and are roughly Z-shaped, including three connecting walls 252 , 250 and 254 connected in sequence. Wherein, the connecting wall 252 is perpendicular to the connecting wall 250, the connecting wall 254 is perpendicular to the connecting wall 250 along the direction opposite to the connecting wall 252, the connecting wall 252 is fixed on the upper surface 222 of the printed circuit board 22, the The connecting wall 254 is lower than the upper surface 222 of the printed circuit board 22 and supports the lower substrate 204 .

该液晶显示模组2在印刷电路板22与液晶显示面板20之间设置固定片25，通过该固定片25的连接壁250、254共同固定该液晶显示面板20，其下基板204的下表面205低于该印刷电路板22的上表面222，从而减小该液晶显示模组2的厚度。The liquid crystal display module 2 is provided with a fixing piece 25 between the printed circuit board 22 and the liquid crystal display panel 20, and the connecting walls 250, 254 of the fixing piece 25 jointly fix the liquid crystal display panel 20, and the lower surface 205 of the lower substrate 204 It is lower than the upper surface 222 of the printed circuit board 22 , thereby reducing the thickness of the liquid crystal display module 2 .

请参阅图3，是本发明液晶显示模组第二实施方式的结构示意图。该液晶显示模组3与液晶显示模组2大致相同，其主要区别在于：其固定片35为L形，包括两相互垂直的连接壁352、354，其印刷电路板32包括一收容该连接壁352的通孔324。Please refer to FIG. 3 , which is a schematic structural diagram of the second embodiment of the liquid crystal display module of the present invention. The liquid crystal display module 3 is substantially the same as the liquid crystal display module 2, the main difference being that the fixing piece 35 is L-shaped and includes two connecting walls 352, 354 perpendicular to each other, and the printed circuit board 32 includes a receiving wall 352 through holes 324 .

请参阅图4，是本发明液晶显示模组第三实施方式的结构示意图。该液晶显示模组4与液晶显示模组2大致相同，其主要区别在于：其固定片45除包括大致成Z形而依序垂直相连的连接壁452、454和456外，还包括一向其印刷电路板42延伸的连接壁458，该印刷电路板42包括一收容该连接壁458的通孔424。Please refer to FIG. 4 , which is a schematic structural diagram of a third embodiment of the liquid crystal display module of the present invention. The liquid crystal display module 4 is roughly the same as the liquid crystal display module 2, and its main difference is that its fixing plate 45 includes connecting walls 452, 454 and 456 which are substantially Z-shaped and vertically connected in sequence, and also includes a printing plate The connecting wall 458 extends from the circuit board 42 , and the printed circuit board 42 includes a through hole 424 for receiving the connecting wall 458 .

Claims

1. liquid crystal display module, comprise that a display panels, a framework and are fixed on the printed circuit board (PCB) on this framework, this printed circuit board (PCB) comprises a surface, it is characterized in that: this liquid crystal display module comprises that also one is fixed in the stationary installation of this printed circuit board (PCB), this stationary installation is arranged between this printed circuit board (PCB) and this display panels, and this stationary installation comprises that one is lower than the bearing wall of this printed circuit board surface to carry this display panels.

2. liquid crystal display module as claimed in claim 1 is characterized in that: this display panels comprises that second substrate and of one first substrate, relative this first substrate is arranged on the liquid crystal layer between this first substrate and this second substrate.

3. liquid crystal display module as claimed in claim 2 is characterized in that: this display panels comprises that further one is arranged on the polaroid of this second substrate surface.

4. liquid crystal display module as claimed in claim 3 is characterized in that: the length of this polaroid is less than the length of this second substrate.

5. liquid crystal display module as claimed in claim 1, it is characterized in that: this stationary installation further comprises one first connecting wall and one second connecting wall, this first connecting wall is perpendicular to this bearing wall, this second connecting wall along the direction opposite with this bearing wall perpendicular to this first connecting wall.

6. liquid crystal display module as claimed in claim 5 is characterized in that: a surface of adjacent this printed circuit board (PCB) of this second connecting wall is fixing.

7. liquid crystal display module as claimed in claim 6, it is characterized in that: this stationary installation further comprises one perpendicular to this second connecting wall and the 4th connecting wall that extends to this printed circuit board (PCB), and this printed circuit board (PCB) comprises the through hole of accommodating the 4th connecting wall.

8. liquid crystal display module as claimed in claim 1 is characterized in that: this stationary installation is L shaped, and it further comprises a vertical connecting wall that connects this bearing wall, and this printed circuit board (PCB) comprises with this connecting wall and cooperating to fix the through hole of this connecting wall.