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Thin film transistor substrate, liquid crystal display panel including the same, and method of manufacturing liquid crystal display panel

A technology for liquid crystal display panels and thin film transistors, which is applied to electric solid state devices, semiconductor devices, and semiconductor/solid state device components, etc., can solve the problems of reducing the effective area of ​​the reflective electrode 8, reducing the reflection coefficient, and leakage.

Inactive Publication Date: 2007-11-14
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] If in order to prevent light leakage, the black matrix 2 is widened so that it partially overlaps with the first sub-pixel area, thereby blocking the edge of the reflective electrode 8, and the reflective coefficient is reduced due to the effective area of ​​the reflective electrode 8 being reduced.

Method used

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  • Thin film transistor substrate, liquid crystal display panel including the same, and method of manufacturing liquid crystal display panel
  • Thin film transistor substrate, liquid crystal display panel including the same, and method of manufacturing liquid crystal display panel
  • Thin film transistor substrate, liquid crystal display panel including the same, and method of manufacturing liquid crystal display panel

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Embodiment Construction

[0036] Exemplary embodiments of the present invention will be described with reference to the accompanying drawings. However, the present invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

[0037] 2 and 3 are plan and sectional views illustrating a TFT substrate of a transflective LCD device according to an embodiment of the present invention.

[0038] 2 and 3, the TFT substrate 160 includes: a gate line 102 and a data line 104 crossing each other, a TFT connected to the gate line 102 and the data line 104, a pixel electrode 122 formed in each sub-pixel area SPA, The reflective electrode 124 connected to the TFT and the first and second storage capacitors. The first and second capacitors maintain stability of the video signal charged to the pixel electrode. The reflective electrode 124 and the pixel electrode 122 define a reflective area RA and a transmissive area TA in each sub-pixel area SPA.

[0...

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Abstract

A liquid crystal display panel capable of preventing flicker and improving reflectance include a thin film transistor substrate having a gate line, a data line, a thin film transistor connected to the gage and data lines, and a reflective electrode connected to the thin film transistor and covering at least part of the gate line, a color filter substrate having a color filter and a common electrode forming an electric field with the reflective electrode. Liquid crystals are disposed between the thin film transistor substrate and the color filter substrate. The reflective electrode shields the liquid crystals from a gate signal.

Description

technical field [0001] The present invention relates to a thin film transistor substrate, and more particularly, to a thin film transistor substrate capable of preventing flicker and improving reflection coefficient, a liquid crystal display panel including the thin film transistor substrate, and a method for manufacturing the liquid crystal display panel method. Background technique [0002] Liquid crystal display (LCD) devices display images using the electrical and optical properties of liquid crystals. The LCD device includes: an LCD panel for displaying images through a pixel matrix; a driving circuit for driving the LCD panel; and a backlight unit for supplying light to the LCD panel. LCD devices are widely used from small display devices to large display devices such as mobile communication terminals, notebook computers, monitors, and LCD televisions. [0003] LCD devices may be classified into the following types according to light source types: a transmissive type...

Claims

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Application Information

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IPC IPC(8): G02F1/1362H01L27/12H01L23/522
CPCH01L27/1214H01L27/13G02F1/136213G02F1/136286G02F1/133555H01L27/12H01L27/1288G02F1/136
Inventor 李承珪朴源祥金宰贤赵容奭吕庸硕
Owner SAMSUNG ELECTRONICS CO LTD