Liquid crystal display device

Patent metadata

Field	Value
Publication number	US-2017139285-A1
Application number	US-201615351495-A
Country	US
Kind code	A1
Filing date	Nov 15, 2016
Priority date	Nov 18, 2015
Publication date	May 18, 2017
Grant date	—

Abstract

A liquid crystal display includes a liquid crystal layer between a first substrate and a second substrate, a plurality of gate lines and a plurality of data lines on the first substrate, and a plurality of pixels connected to the plurality of gate lines and the plurality of data lines, the plurality of pixels including a pixel electrode and a switching element connected to the pixel electrode, wherein pixel electrodes in one of an odd-numbered row and an even-numbered row are in odd-numbered columns, respectively, and wherein pixel electrodes in the other of the odd-numbered row and the even numbered row are in even-numbered columns, respectively.

First claim

What is claimed is:

1 . A liquid crystal display device, comprising:
a liquid crystal layer between a first substrate and a second substrate; a plurality of gate lines and a plurality of data lines on the first substrate; and a plurality of pixels connected to the plurality of gate lines and the plurality of data lines, the plurality of pixels including a pixel electrode and a switching element connected to the pixel electrode, wherein pixel electrodes in one of an odd-numbered row and an even-numbered row are in odd-numbered columns, respectively, and wherein pixel electrodes in the other of the odd-numbered row and the even numbered row are in even-numbered columns, respectively.

2 . The liquid crystal display device as claimed in claim 1 , wherein a pixel electrode in one row is not between pixel electrodes in an adjacent row.

3 . The liquid crystal display device as claimed in claim 2 , wherein the pixel electrodes comprise a first pixel electrode in one row, a second pixel electrode in another row and adjacent to the first pixel electrode, and a third pixel electrode in still another row, the third pixel electrode being adjacent to the first pixel electrode and opposing the second pixel electrode, and
wherein the first pixel electrode is between imaginary lines extending from opposing sides of the second pixel electrode and the third pixel electrode, respectively.

4 . The liquid crystal display device as claimed in claim 3 , wherein the pixel electrodes include a fourth pixel electrode adjacent to the first pixel electrode and the second pixel electrode and in the another row, and
wherein the first pixel electrode is between imaginary lines extending from opposing sides of the second pixel electrode and the fourth pixel electrode, respectively.

5 . The liquid crystal display device as claimed in claim 1 , wherein switching elements respectively connected to pixel electrodes in a (2k−1)-th row (k being a natural number) and switching elements respectively connected to pixel electrodes in a 2k-th row are connected to one gate line in common.

6 . The liquid crystal display device as claimed in claim 1 , wherein a switching element connected to a pixel electrode in a 2k-th row is between two pixel electrodes in a (2k+1)-th row and adjacent to the pixel electrode in the 2k-th row.

7 . The liquid crystal display device as claimed in claim 1 , wherein a switching element connected to a pixel electrode in a 2k-th row is between two pixel electrodes in a (2k−1)-th row and adjacent to the pixel electrode in the 2k-th row.

8 . The liquid crystal display device as claimed in claim 1 , wherein a width of one pixel electrode in one of two adjacent rows is greater than, less than, or equal to a distance between two pixel electrodes adjacent to the one pixel electrode and in the other row.

9 . The liquid crystal display device as claimed in claim 8 , wherein a portion of a pixel electrode in one row is between a pixel electrode in another row adjacent to the one row and a pixel electrode in still another row adjacent to the one row.

10 . The liquid crystal display device as claimed in claim 9 , wherein the pixel electrode in the another row and the pixel electrode in the still another row are in the same column.

11 . The liquid crystal display device as claimed in claim 1 , wherein an inner angle between a first imaginary line segment connecting respective center points of two adjacent pixel electrodes in one row and a second imaginary line segment connecting a center point of a pixel electrode in another row and adjacent to the two pixel electrodes and one of the center points of the two pixel electrodes is in a range of about 50 degrees to about 55 degrees.

12 . The liquid crystal display device as claimed in claim 1 , wherein an interval between data lines at opposite sides of the pixel electrode is greater than an interval between data lines at opposite sides of the switching element.

13 . The liquid crystal display device as claimed in claim 1 , wherein each of the gate lines has a zigzag shape.

14 . The liquid crystal display device as claimed in claim 13 , wherein each of the data lines has a linear shape or a zigzag shape.

15 . The liquid crystal display device as claimed in claim 1 , wherein:
the pixel electrode is in a pixel area of each of the pixels, the switching element is in a non-pixel area of each of the pixels, and a ratio of the pixel area to the non-pixel area is about 3:7.

16 . The liquid crystal display device as claimed in claim 1 , wherein two adjacent pixels in one row and one pixel adjacent to the two pixels and in another row display different colors from one another.

17 . The liquid crystal display device as claimed in claim 16 , wherein the three pixels are connected to one gate line in common.

18 . The liquid crystal display device as claimed in claim 1 , wherein a switching element of at least one of the pixels includes a gate electrode connected to the gate line, a drain electrode connected to the data line, and a source electrode connected to the pixel electrode; and
a pixel electrode of the at least one of the pixels overlaps the drain electrode.

19 . The liquid crystal display device as claimed in claim 18 , further comprising a connecting electrode connecting the pixel electrode of the at least one of the pixels and the source electrode.

20 . The liquid crystal display device as claimed in claim 18 , wherein the connecting electrode overlaps the gate electrode, the drain electrode, and the source electrode.

21 . The liquid crystal display device as claimed in claim 18 , wherein an interval between the pixel electrode of the at least one of the pixels and the data line is less than an interval between the connecting electrode and the data line.

22 . The liquid crystal display device as claimed in claim 18 , further comprising a light blocking layer defined with apertures, the apertures defined corresponding to the pixel electrodes.

23 . The liquid crystal display device as claimed in claim 22 , wherein the pixel electrodes and the light blocking layer are on the first substrate.

24 . The liquid crystal display device as claimed in claim 22 , further comprising a color filter disposed corresponding to the aperture of the light blocking layer.

25 . The liquid crystal display device as claimed in claim 18 , wherein:
the switching element of the at least one of the pixels includes a semiconductor layer, and the semiconductor layer includes indium gallium zinc oxide (IGZO) or amorphous indium gallium zinc oxide (a-IGZO).

26 . A liquid crystal display device, comprising:
a liquid crystal layer between a first substrate and a second substrate; a plurality of gate lines and a plurality of data lines; and a plurality of pixels connected to the plurality of gate lines and the plurality of data lines, the plurality of pixels including a pixel electrode and a switching element connected to the pixel electrode, the plurality of pixels being arranged in a matrix along a first direction and a second direciton crossing the first direction, wherein adjacent pixel electrodes in the second direction are offset from one another in the first direction.

27 . The liquid crystal display device as claimed in claim 26 , wherein adjacent pixel electrodes in the second direction do not overlap one another.

Assignees

• Samsung Display Co Ltd

Inventors

• Lee Hyunsup
• NOH Junghun
• Song Keunkyu
• Choi Byungseok
• JANG Sanghee
• Jeon Hyungil

Classifications

• G02F1/134336 Primary

  Matrix · CPC title

• G02F1/133514

  Colour filters · CPC title

• G02F1/136286

  Wiring, e.g. gate line, drain line · CPC title

• G02F2201/52

  RGB geometrical arrangements · CPC title

• G02F1/134309 Primary

  characterised by their geometrical arrangement · CPC title