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Liquid crystal display device, and its manufacturing method

A liquid crystal display device, liquid crystal technology, applied in nonlinear optics, instruments, optics, etc., can solve problems such as the inability to ensure the specified size of the cell gap

Inactive Publication Date: 2009-05-06
SHARP KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, if the spacer particles 104 are arranged at a position lower than the arrangement surface 108, the predetermined size of the cell gap between the transparent substrates 100 and 101 cannot be ensured at this portion.

Method used

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  • Liquid crystal display device, and its manufacturing method
  • Liquid crystal display device, and its manufacturing method
  • Liquid crystal display device, and its manufacturing method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0046] Below, refer to figure 1 and FIG. 2 illustrate Embodiment 1 of the present invention. The liquid crystal display device of the present embodiment is configured by stacking a pair of glass transparent substrates, that is, a TFT substrate 10 and a CF substrate 20 in parallel, and interposing spacer particles 31 between the two substrates 10 and 20 . While maintaining a constant distance (cell gap) between the two substrates 10 and 20 over the entire surface, liquid crystal 32 is filled in the gap between the two substrates 10 and 20 .

[0047] On the surface opposite to the TFT substrate 10 in the CF substrate 20, a color filter 21 is arranged, and the color filter 21 is arranged in a horizontal direction by a black light-shielding film 23 (black matrix) arranged in a grid shape and divided into a rectangular thin plate shape. The coloring part 22 of the three primary colors of red (R), green (G) and blue (B). In addition, a transparent thin-plate-shaped common electrod...

Embodiment approach 2

[0062] Next, a specific embodiment 2 of the present invention will be described with reference to FIG. 3 . The reinforcement layer 40 in the second embodiment is different from the first embodiment described above. The other configurations are the same as those in Embodiment 1, and therefore, the same symbols are attached to the same configurations, and descriptions of the configurations, operations, and effects are omitted.

[0063] The booster layer 40 of the second embodiment is made of the same material as the insulating layer provided on the TFT substrate 10 and the CF substrate 20 . Examples of the insulating layer include an i layer (a-Si: amorphous silicon) and an n+ layer (μC-Si: microcrystalline silicon). The width dimension of the booster layer 40 is larger than that of the booster layer 16 of Embodiment 1, and the edge portion of the booster layer 40 on the side opposite to the gate electrode line 12 protrudes outside the light shielding region 30 . Further, on t...

Embodiment approach 3

[0066] Below, refer to Figure 4 and FIG. 5 illustrate Embodiment 3 of the present invention. The third embodiment is different from the first embodiment described above in the placement surface 50 . The other configurations are the same as those of Embodiment 1 above, and therefore the same symbols are attached to the same configurations, and descriptions of the configurations, operations, and effects are omitted.

[0067] In Embodiment 3, a part of the gate electrode line 12 in the longitudinal direction is a substantially square wide portion 12W whose both side edges protrude outward. In the gate electrode line 12, the width dimension of the portion 12N other than the wide portion 12W is the same as in Embodiment 1, and narrower than the light shielding region 30, but the width dimension of the wide portion 12W is almost the same as that of the light shielding region 30 (than the width of the light shielding region 30 slightly smaller). In addition, on the surface of the...

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Abstract

The invention provides a liquid crystal display apparatus and manufacturing method thereof. A pair of transparent substrates (10, 20) overlaid in parallel is held at a predetermined clearance by spacer particles (31). These spacer particles (31) are arranged on such an arranging face (19) of the faces of the TFT substrate (10) confronting the CF substrate (20) as is formed in a grill-shaped shading area (30). The arranging face (19) extends over the substantially entire width of the shading area (30) and has a substantially flat shape all over its whole range, so that the spacer particles (31) can be reliably arranged in the arranging area (30) thereby to retain a predetermined cell gap reliably.

Description

technical field [0001] The present invention relates to a liquid crystal display device and a method of manufacturing the same, in which spacers between transparent substrates are maintained by spacer particles. Background technique [0002] As shown in FIG. 7 , the liquid crystal display device is a glass transparent substrate 100 on which TFTs (Thin Film Transistor thin film transistors) are formed, and a glass transparent substrate 101 that constitutes a color filter with coloring parts 102 distributed with RGB. Liquid crystal 103 is sandwiched between them. In such a liquid crystal display device, the thickness of the liquid crystal layer, that is, the cell gap, is required to prevent uneven display of the liquid crystal display device and to have a uniform thickness over the entire area of ​​the transparent substrates 100 and 101 . And as a method of making the cell gap uniform, for example, the method described in Patent Document 1 is to manufacture a device configure...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02F1/1339G02F1/1335G02F1/1343
CPCG02F1/13394G02F1/133512
Inventor 黑住幸生
Owner SHARP KK
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