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Liquid crystal display device

A technology of liquid crystal display devices and liquid crystal panels, which is applied in the direction of optics, structural connection of printed circuits, instruments, etc., can solve the problems of high price, inability to arbitrarily set wiring patterns, and the inability to realize low-cost liquid crystal display devices, etc., and achieve high reliability effect

Active Publication Date: 2007-05-09
BEIHAI HKC OPTOELECTRONICS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in order to make flexible substrates different from ordinary printed wiring substrates, special materials and manufacturing methods are used to manufacture them, so the price is high. Manufacturing a dedicated flexible substrate for each liquid crystal display device will lead to a decrease in the price of the liquid crystal display device. price increase, which is already a problem of liquid crystal display devices, cannot be achieved
In addition, since the flexible substrate is connected to the liquid crystal panel and the signal substrate, and the driver chip is also mounted, the connection structure must be considered, and the wiring pattern cannot be arbitrarily set.

Method used

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Examples

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Embodiment 1

[0043] A liquid crystal display device according to a first embodiment of the present invention will be described with reference to FIGS. 1 to 13 . 1 and 2 are perspective views showing the structure of a liquid crystal display device according to a first embodiment, and FIG. 3 is an assembly view of constituent parts. 4 to 7 are plan views showing the structure of the flexible substrate of this embodiment, and FIGS. 8 and 9 are plan views showing the relationship between the flexible substrate and the protrusions. In addition, FIGS. 10 to 13 show cross-sectional views of the configurations of the components in the vicinity of the protrusions of the liquid crystal display device.

[0044] First, the configuration of the liquid crystal display device of this embodiment will be described with reference to FIGS. 1 to 3 . The liquid crystal display device 1 is mainly composed of the following components, namely: a liquid crystal panel 2, a backlight unit 3 equipped with a lamp co...

Embodiment 2

[0070] Next, a liquid crystal display device according to a second embodiment of the present invention will be described with reference to FIGS. 14 and 15 . 14 and 15 are plan views showing the positional relationship between the flexible substrate and the protrusions used in the liquid crystal display device of the second embodiment of the present invention. In addition, this embodiment makes the structure of the present invention applicable to various liquid crystal display devices.

[0071] That is, in the first embodiment, in a specific type of liquid crystal display device (for example, QXGA), the positions corresponding to the cutouts 10 formed on the flexible substrate 4 are all provided with the protrusions 13, while if all the protrusions 13 are provided between the flexible substrates 4 However, in other types of liquid crystal display devices with different numbers of flexible substrates 4, the parts forming the protrusions 13 (inner resin frame 8 or inner metal pla...

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PUM

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Abstract

The LCD device includes a liquid crystal panel, a backlight unit, a circuit board disposed at rear side of the backlight unit, and a number of flexible substrates each mounting thereon a driver chip and connecting the terminals of the liquid crystal panel and the circuit board. The flexible substrate has a cut-out at each side edge thereof. A protrusion formed on the backlight unit or inner housing passes the cut-out to protrude toward the housing of the LCD device.

Description

technical field [0001] The present invention relates to a liquid crystal display device, and in particular to a high-precision liquid crystal display device in which a plurality of flexible substrates for connecting a liquid crystal panel and a circuit board for controlling the liquid crystal panel are assembled at high density at narrow intervals. Background technique [0002] Since the liquid crystal display device has the characteristics of thin size, light weight, and low power consumption, it is used in a wide range of fields such as OA equipment, AV equipment, and portable terminal equipment. This liquid crystal display device is mainly composed of the elements described below, that is, for example, as shown in FIG. The optical plate 6 for illuminating light, the inner frame body for holding and fixing the backlight unit 3 and the optical plate 6 (for example, the inner metal plate cover 9 and the inner resin frame 8 of the structure in the figure), sandwiched between ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02F1/1333G02F1/13G02F1/13357G02F1/1345H05K1/14
CPCH05K1/142G02F1/1336H05K1/147G02F1/13452G02F1/1333
Inventor 石田宏
Owner BEIHAI HKC OPTOELECTRONICS TECH CO LTD