Liquid crystal display panel and liquid crystal display apparatus

• US 10,180,601 B2
• Filed: 09/06/2016
• Issued: 01/15/2019
• Est. Priority Date: 08/19/2016
• Status: Active Grant

• Current Assignee: Wuhan China Star Optoelectronics Technology Co., Ltd. (TCL Technology Group Corp.)
• Original Assignee: Wuhan China Star Optoelectronics Technology Co., Ltd. (TCL Technology Group Corp.)
• Inventors: Zhang, Qipei, Chen, Caiqin
• Primary Examiner(s): Pan, Jia
• Application Number:
  US15/128,398
• Publication Number:
  US 20180180920A1
• Time in Patent Office: 861 Days
• CPC Class Codes: G02F 1/133357 Planarisation layers
• CPC Class Codes: G02F 1/13338 Input devices, e.g. touch panels
• CPC Class Codes: G02F 1/133512 Light shielding layers, e.g. black matrix G02F1/136209 takes precedence
• CPC Class Codes: G02F 1/133514 Colour filters
• CPC Class Codes: G02F 1/133516 Methods for their manufacture, e.g. printing, electro-deposition or photolithography
• CPC Class Codes: G02F 1/133519 Overcoatings
• CPC Class Codes: G02F 1/1339 Gaskets; Spacers; Sealing of cells
• CPC Class Codes: G02F 1/13394 spacers regularly patterned on the cell subtrate, e.g. walls, pillars G02F1/133377 takes precedence
• CPC Class Codes: G02F 1/13396 Spacers having different sizes
• CPC Class Codes: G02F 1/13398 Spacer materials; Spacer properties
• CPC Class Codes: G02F 1/136227 Through-hole connection of the pixel electrode to the active element through an insulation layer
• CPC Class Codes: G02F 1/136286 Wiring, e.g. gate line, drain line
• CPC Class Codes: G02F 1/1368 in which the switching element is a three-electrode device G02F1/136277 takes precedence
• CPC Class Codes: G02F 2201/121 common or background
• CPC Class Codes: G06F 2203/04103 Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
• CPC Class Codes: G06F 3/041 Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
• CPC Class Codes: G06F 3/0412 Digitisers structurally integrated in a display
• CPC Class Codes: G06F 3/0445 using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer
• CPC Class Codes: G09G 3/36 using liquid crystals
• CPC Class Codes: H01L 27/124 with a particular composition, shape or layout of the wiring layers specially adapted to the circuit arrangement, e.g. scanning lines in LCD pixel circuits wiring structures per se H01L23/52
• CPC Class Codes: H01L 27/1248 : with a particular composition or shape of the interlayer dielectric specially adapted to the circuit arrangement

Abstract

The present application discloses a liquid crystal display panel and a liquid crystal display apparatus. The liquid crystal display panel includes a color filter substrate, and an array substrate, formed opposite and space apart from the color filter substrate, and a photo spacer disposed between the color filter substrate and the array substrate, a side of the array substrate toward the color filter substrate is set up a contact hole, a side of the color filter substrate toward the array substrate is disposed a projection, the height of the projection is larger than the height of the photo spacer, and the top of the projection is inserted into the contact hole.

Claims

1. A liquid crystal display panel, comprising:

a color filter substrate, and an array substrate, formed opposite and space apart from the color filter substrate, and a photo spacer disposed between the color filter substrate and the array substrate;

a side of the array substrate toward the color filter substrate is set up a contact hole, a side of the color filter substrate toward the array substrate is disposed a projection, the height of the projection is larger than the height of the photo spacer, and the top of the projection is inserted into the contact hole;

wherein the color filter substrate comprises a first substrate body, a color filter layer and an over coat layer, the color filter layer is formed on a side of the first substrate body toward the array substrate, the over coat layer is formed on a side of the color filter layer toward the array substrate, the projection is formed by at least one of the multiple exposure and development in the formation of the color filter layer;

the array substrate comprising a second substrate body and a thin film transistor, a planarization layer and a pixel electrode layer formed on the second substrate body, the pixel electrode layer is formed in the contact hole, and is electrically connected to the drain electrode of the thin film transistor through the contact hole;

wherein the array substrate further comprises a passivation layer, a touch electrode, a dielectric spacer layer, a common electrode, and a data line subsequently formed below the photo spacer and overlap with the photo spacer, and the photo spacer is in contact with the passivation layer; and

wherein a capacitance formed between the touch electrode and the common electrode layer.

2. The liquid crystal display panel according to claim 1, wherein the color filter substrate further comprises a black matrix disposed between the first substrate body and the color filter layer.

3. The liquid crystal display panel according to claim 1, wherein the color filter layer comprises a red color filter, a green color filter and a blue color filter.

4. The liquid crystal display panel according to claim 1, wherein the color filter layer comprises a red color filter, a green color filter, a blue color filter and a white color filter.

5. The liquid crystal display panel according to claim 1, wherein the contact hole is set up in the planarization layer.

6. A liquid crystal display apparatus, comprising a liquid crystal display panel and a light source module for providing light to the liquid crystal display panel, the liquid crystal display panel comprising:

a color filter substrate, and an array substrate, formed opposite and space apart from the color filter substrate, and a photo spacer disposed between the color filter substrate and the array substrate;

a side of the array substrate toward the color filter substrate is set up a contact hole, a side of the color filter substrate toward the array substrate is disposed a projection, the height of the projection is larger than the height of the photo spacer, and the top of the projection is inserted into the contact hole;

wherein the color filter substrate comprises a first substrate body, a color filter layer and an over coat layer, the color filter layer is formed on a side of the first substrate body toward the array substrate, the over coat layer is formed on a side of the color filter layer toward the array substrate, the projection is formed by at least one of the multiple exposure and development in the formation of the color filter layer;

the array substrate comprising a second substrate body and a thin film transistor, a planarization layer and a pixel electrode layer formed on the second substrate body, the pixel electrode layer is formed in the contact hole, and is electrically connected to the drain electrode of the thin film transistor through the contact hole;

wherein the array substrate further comprises a passivation layer, a touch electrode, a dielectric spacer layer, a common electrode, and a data line subsequently formed below the photo spacer and overlap with the photo spacer, and the photo spacer is in contact with the passivation layer; and

wherein a capacitance formed between the touch electrode and the common electrode layer.

7. The liquid crystal display apparatus according to claim 6, wherein the color filter substrate further comprises a black matrix disposed between the first substrate body and the color filter layer.

8. The liquid crystal display apparatus according to claim 6, wherein the color filter layer comprises a red color filter, a green color filter and a blue color filter or the color filter layer comprises a red color filter, a green color filter, a blue color filter and a white color filter.

9. The liquid crystal display apparatus according to claim 6, wherein the contact hole is set up in the planarization layer.