Liquid crystal display with casing structure

a liquid crystal display and casing technology, applied in static indicating devices, instruments, optics, etc., can solve the problems of inability to retain sufficient mechanical strength, uneven display, and inability to firmly hold crystal display panels

Inactive Publication Date: 2004-05-18
PANASONIC LIQUID CRYSTAL DISPLAY CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, the periphery of the display unit, i.e., the so-called "frame portion" cannot have its area reduced to raise a problem in which the liquid crystal display device or a data processing device such as a personal computer or word processor having the liquid crystal display device assembled therein as the display unit has its external size enlarged

Method used

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  • Liquid crystal display with casing structure
  • Liquid crystal display with casing structure
  • Liquid crystal display with casing structure

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Embodiment Construction

The present invention, other objects of the present invention, and other features of the present invention will become apparent from the following description to be made with reference to the accompanying drawings.

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Here will be described in the following the construction of the present invention in connection with embodiments of a color liquid crystal display device of active matrix type, to which is applied the present invention. Incidentally, the parts having identical functions are designated at identical reference characters throughout all the Figures for describing the embodiments, and their repeated descriptions will be omitted.

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FIG. 2 is a top plan view showing one embodiment of one pixel and its peripheral portion of the active matrix type color liquid crystal display device to which is applied the present invention. FIG. 3 is a section taken along line 3--3 of FIG. 2. FIG. 4 is a section taken along line 4--4 of FIG. 2. On the other hand, FIG. 5 is a top plan view showing t...

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PUM

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Abstract

.[.Herein disclosed are a liquid crystal display device and a data processing device, which can have their frame portions reduced in area to reduce the size and weight by extracting the terminals of video signals to only one side of a liquid crystal display panel and by arranging a video signal line driving circuit substrate to be connected with the terminals, only at one side of the display panel..]. .Iadd.A liquid crystal display includes upper and lower casings for holding a liquid crystal display panel and substrates. The casings are provided with at least one of fixing pawls and recesses for receiving the fixing pawls so as to enable the connection of the casings. .Iaddend.

Description

BACKGROUND OF THE INVENTION1. Field of Industrial ApplicationThe present invention relates to a liquid crystal display device comprising a back light including a liquid crystal display panel having a liquid crystal sealed between two superposed insulating substrates, a light guide plate arranged below the liquid crystal display panel, and a fluorescent tube arranged in the vicinity of the side of the light guide plate, and, more particularly, to a data processing device having said liquid crystal display device assembled as a display unit.2. Prior ArtIn a liquid crystal display device of active matrix type, nonlinear devices (e.g., switching devices) are disposed in a manner to correspond to a plurality of pixel electrodes arranged in matrix, respectively. The liquid crystal in each pixel is always drive, in principle, (at a duty ratio of 1.0). In comparison with the so-called "simple matrix type" which employs a time division driving system, therefore, the active system has better ...

Claims

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Application Information

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IPC IPC(8): G02F1/13G02F1/1345H05K3/36H05K1/14G02F1/1333G02F1/133G02F1/1335G02F1/13357
CPCG02F1/133308G02F1/1345G02F1/13452G02F2201/465G02F1/133328H05K1/141H05K3/36H05K3/361G02F1/133377G02F1/1395
Inventor HASEGAWA, KAORUTORIYAMA, YOSHIOKOBAYASHI, NAOTOYARITA, KATSUHIKOKONDO, HIRONORISUZUKI, MASAHIKOIMAJO, YOSHIHIRO
Owner PANASONIC LIQUID CRYSTAL DISPLAY CO LTD
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