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Reflection board and method for making same, and reflection type liquid crystal displaying device

A reflective plate and reflective surface technology, applied in optics, instruments, nonlinear optics, etc., can solve problems such as the decline in display quality of liquid crystal display devices

Inactive Publication Date: 2003-11-12
ORMON CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the interference condition changes depending on the position, resulting in color unevenness, which significantly reduces the display quality of the liquid crystal display device.

Method used

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  • Reflection board and method for making same, and reflection type liquid crystal displaying device
  • Reflection board and method for making same, and reflection type liquid crystal displaying device
  • Reflection board and method for making same, and reflection type liquid crystal displaying device

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Embodiment Construction

[0045] Image 6 is a schematic diagram illustrating the reflection plate 24 according to one embodiment of the present invention. The reflection plate 24 is composed of a substrate 21 , a concave-convex layer 22 and a reflection film 23 . The reflecting plate 24 has a size equal to or greater than that of a liquid crystal panel of a liquid crystal display device.

[0046] Here, the concavo-convex layer 22 includes: a flat base surface; a reflective surface facing the base surface and having a concavo-convex shape composed of concave parts and convex parts, the height of the convex parts or the depth of the concave parts is uneven, When the reflective surface is cut along a cut surface substantially parallel to the base surface, the volume of the convex portion protruding from the cut surface is substantially equal to the volume of the concave portion recessed from the cut surface.

[0047]More specifically, when the reflective surface of the concave-convex layer 22 is divide...

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PUM

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Abstract

The present invention relates to a reflective plate, a method of making same, and a reflective type liquid crystal display device provided with the reflective plate.A metal mold, having a reversal pattern of a reflection surface of which the heights of projecting parts get higher as going away from a central part to a peripheral part of the reflection plate, is pressed against a surface of a molding resin on a substrate. Because a volume of a part protruding from a parting plane coincides with a part recessing from the parting plane in each region on the full surface of the metal mold, the projecting and recessing shape of the reflection surface is formed with extreme preciseness. When a reflection film composed of aluminum or the like is disposed on a surface of the projecting and recessing layer, thus the reflection plate with a high condensing property in the direction toward the center direction can be manufactured.

Description

technical field [0001] The present invention relates to a reflective plate used in a reflective liquid crystal display device, a method of manufacturing the reflective plate, and a reflective liquid crystal display device. Background technique [0002] In recent years, there has been an increasing demand for downsizing, energy saving, and cost reduction of devices equipped with liquid crystal display devices, such as personal computers, televisions, digital video cameras, and digital still cameras. In order to meet these needs, development of a reflective liquid crystal display device that utilizes reflection of light incident from the outside instead of a backlight for illumination of a liquid crystal panel has been conducted. [0003] figure 1 It is a schematic cross-sectional view showing the structure of a conventional reflective liquid crystal display device. The liquid crystal display device 1 is composed of an insulating substrate 2 , a concave-convex layer 16 , a r...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B5/08B29C43/02B29D11/00G02B5/09G02F1/1335
CPCG02B5/09B29D11/00G02F1/133553B29C2043/023B29C43/021B29L2011/005
Inventor 船本昭宏青山茂
Owner ORMON CORP
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