Liquid crystal display structure
a liquid crystal display and structure technology, applied in non-linear optics, instruments, optics, etc., can solve the problems of poor viewing condition for viewers, detriment to display performance, and compromise of the quality of liquid crystal display products, so as to minimize liquid crystal misalignment
Inactive Publication Date: 2008-02-21
AU OPTRONICS CORP
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AI Technical Summary
Benefits of technology
The present invention provides three liquid crystal display (LCD) structures that can improve viewing performances of LCDs. These structures include a reflective type LCD and a transflective type LCD. The reflective type LCD has a reflector surface that can convert non-useful parts of the reflector into transmissive region by removing the reflectors, resulting in improved efficiency of the LCD. The transflective type LCD has both reflective and transmissive regions, and can provide better viewing angles and display quality. These LCD structures also have improved legibility and display efficiency under different lighting levels.
Problems solved by technology
Due to the non-planarity of the reflective electrode 22 surface, liquid crystal misalignment and non-uniformity of liquid crystal cell gap inside the pixels can be detrimental to the display performance.
Ultimately, quality of the liquid crystal display product is compromised.
When the reflective angle of the light beam greater or less than this range, the viewing condition is poor for the viewer.
Method used
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Embodiment Construction
[0029] Reference will now be made in detail to the present preferred embodiments of the invention, examples of which are illustrated in the accompanying drawings. Wherever possible, the same reference numbers are used in the drawings and the description to refer to the same or like parts.
[0030]FIG. 2 is a schematic cross-sectional view showing a first type of one pixel portion of a liquid crystal display structure according to a first preferred embodiment of this invention. A first glass panel or a first substrate panel 50b and a second glass panel or a second substrate panel 50a (the first glass panel 50b is the lower glass panel and the second glass panel 50b is the upper glass panel) are provided. The first glass panel 50b and the second glass panel 50a together enclose all the component layers, including layers such as a liquid crystal layer 54 and a color filter layer 84, of a liquid crystal display (LCD). A quarter wave plate, a phase compensation plate and a polarizer compos...
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Abstract
A liquid crystal display structure includes a first substrate panel, a second substrate panel, and a liquid crystal layer between the first substrate panel and the second substrate panel. Pixel portions, formed by respective electrodes for applying a voltage to the liquid crystal layer, include a transparent substrate panel, an organic insulating layer, a patterned reflective layer, a dielectric layer, a transparent conductive layer and a thin film transistor. The organic insulating layer is formed over the transparent substrate panel. The patterned reflective layer is formed over the organic insulating layer exposing a portion of the organic insulating layer. The dielectric layer is formed over the patterned reflective layer. The dielectric layer has a smooth upper surface. The transparent conductive layer is over the dielectric layer. The transparent conductive layer is connected to the thin film transistor so that the thin film transistor can drive the transparent conductive electrode.
Description
CROSS-REFERENCE TO RELATED APPLICATION [0001] This application is a divisional of an application Ser. No. 10 / 065,091, filed on Sep. 17, 2002, now pending, which claims the priority benefit of Taiwan application serial no. 90126138, filed Oct. 23, 2001. The full disclosure of each of the above-mentioned patent applications is hereby incorporated herein by reference and made a part of this specification.BACKGROUND OF THE INVENTION [0002] 1. Field of Invention [0003] The present invention relates to a liquid crystal display (LCD) structure. More particularly, the present invention relates to a reflective and transflective type of liquid crystal display or liquid crystal display structure with excellent legibility and display efficiency. [0004] 2. Description of Related Art [0005] In recent years, the applications of liquid crystal display (LCD) are far and wide following full integration with various electronic device packages. Functional capacity and complexity of typical LCD such as ...
Claims
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IPC IPC(8): G02F1/1335
CPCG02F1/133555G02F2001/136222G02F2001/133357G02F1/136227G02F1/133357G02F1/136222
Inventor LUO, FANG-CHENCHANG, WEI-CHIH
Owner AU OPTRONICS CORP