IP Library Granted Patent US 9,024,979
Granted Patent B2
US 9,024,979 · App. 13/103,348 · Granted May 5, 2015

Liquid crystal display panel, liquid crystal display device, and method of driving a liquid crystal display device

Inventors: Seung-Kyu Lee (Yongin, KR); Dong-Hoon Lee (Yongin, KR); Chul-Ho Kim (Yongin, KR); Jin-Woo Park (Yongin, KR)
Assignee: Samsung Display Co., Ltd.
G09G3/3648G09G3/3614G09G2300/0426G09G2310/0248G09G2320/0209G09G2320/0247G09G2330/023
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Quick Facts
Patent No.
US 9,024,979
App. No.
13/103,348
Granted
May 5, 2015
Kind
B2
Abstract

A liquid crystal display (LCD) panel is disclosed. The LCD panel includes a plurality of pixels arranged in rows and columns, a first sub gate-line coupled to first row-pixels that are adjacent to a lower side of the first sub gate-line, a second sub gate-line coupled to second row-pixels that are adjacent to an upper side of the second sub gate-line, a plurality of gate-lines between the first sub gate-line and the second sub gate-line, a plurality of even data-lines coupled to first column-pixels that are adjacent to the even data-lines, and a plurality of odd data-lines coupled to second column-pixels that are adjacent to the odd data-lines. Here, each gate-line of the plurality of gate lines is coupled to first row-pixels that are adjacent to a lower side of the gate-line and second row-pixels that are adjacent to an upper side of the gate-line.

Claims (56)

1. A liquid crystal display (LCD) panel comprising:

a plurality of pixels arranged in rows of row-pixels and in columns of column-pixels, each of the rows of row-pixels extending in a gate-line direction and comprising first positioned row-pixels and second positioned row-pixels, each of the columns of column-pixels extending in a data-line direction crossing the gate-line direction and comprising first positioned column-pixels and second positioned column-pixels;

a plurality of gate-lines extending in the gate-line direction, each row of the rows of row-pixels being between and adjacent to two of the gate-lines, an upper gate-line of the two of the gate-lines being coupled to the first positioned row-pixels of the row and a lower gate-line of the two of the gate-lines being coupled to the second positioned row-pixels of the same row, each gate-line of the gate-lines other than an uppermost gate-line and a lowermost gate-line of the gate-lines being between and adjacent to two of the rows of row-pixels, an upper row of the two of the rows of row-pixels having its second positioned row-pixels coupled to the gate-line and a lower row of the two of the rows of row-pixels having its first positioned row-pixels coupled to the same gate-line; and

a plurality of data-lines extending in the data-line direction, each column of the columns of column-pixels being between and adjacent to two of the data-lines, a left data-line of the two of the data-lines being coupled to the first positioned column-pixels of the column and a right data-line of the two of the data-lines being coupled to the second positioned column-pixels of the same column, each data-line of the data-lines other than a leftmost data-line and a rightmost data-line of the data-lines being between and adjacent to two of the columns of column-pixels, a left column of the two of the columns of column-pixels having its second positioned column-pixels coupled to the data-line and a right column of the two of the columns of column-pixels having its first positioned column-pixels coupled to the same data-line,

wherein each group of four of the pixels adjacent to a same one of the gate-lines and a same one of the data-lines comprises:

a first pixel belonging to the first positioned row-pixels and the first positioned column-pixels;

a second pixel belonging to the first positioned row-pixels and the second positioned column-pixels;

a third pixel belonging to the second positioned row-pixels and the first positioned column-pixels; and

a fourth pixel belonging to the second positioned row-pixels and the second positioned column-pixels,

wherein the first and third pixels are directly coupled to the same one of the gate-lines or the second and fourth pixels are directly coupled to the same one of the gate-lines, and

wherein the first and fourth pixels are directly coupled to the same one of the data-lines or the second and third pixels are directly coupled to the same one of the data-lines.

2. The LCD panel of claim 1 ,

wherein the columns of column-pixels comprise even columns of column-pixels and odd columns of column-pixels alternating with the even columns of column-pixels, and

wherein for each row of the rows of row-pixels, the first positioned row-pixels comprise odd column row-pixels and the second positioned row-pixels comprise even column row-pixels, the odd column row-pixels comprising those row-pixels of the row belonging to the odd columns of column-pixels, the even column row-pixels comprising those row-pixels of the row belonging to the even columns of column-pixels.

3. The LCD panel of claim 2 ,

wherein the rows of row-pixels comprise even rows of row-pixels and odd rows of row-pixels alternating with the even rows of row-pixels,

wherein for each odd column of the odd columns of column-pixels, the first positioned column-pixels comprise even row column-pixels and the second positioned column-pixels comprise odd row column-pixels, the odd row column-pixels comprising those column-pixels of the odd column belonging to the odd rows of row-pixels, the even row column-pixels comprising those column-pixels of the odd column belonging to the even rows of row-pixels, and

wherein for each even column of the even columns of column-pixels, the first positioned column-pixels comprise odd row column-pixels and the second positioned column-pixels comprise even row column-pixels, the odd row column-pixels comprising those column-pixels of the even column belonging to the odd rows of row-pixels, the even row column-pixels comprising those column-pixels of the even column belonging to the even rows of row-pixels.

4. The LCD panel of claim 2 ,

wherein the rows of row-pixels comprise even rows of row-pixels and odd rows of row-pixels alternating with the even rows of row-pixels,

wherein for each odd column of the odd columns of column-pixels, the first positioned column-pixels comprise odd row column-pixels and the second positioned column-pixels comprise even row column-pixels, the odd row column-pixels comprising those column-pixels of the odd column belonging to the odd rows of row-pixels, the even row column-pixels comprising those column-pixels of the odd column belonging to the even rows of row-pixels, and

wherein for each even column of the even columns of column-pixels, the first positioned column-pixels comprise even row column-pixels and the second positioned column-pixels comprise odd row column-pixels, the even row column-pixels comprising those column-pixels of the even column belonging to the even rows of row-pixels, the odd row column-pixels comprising those column-pixels of the even column belonging to the odd rows of row-pixels.

5. The LCD panel of claim 1 ,

wherein the columns of column-pixels comprise even columns of column-pixels and odd columns of column-pixels alternating with the even columns of column-pixels, and

wherein for each row of the rows of row-pixels, the first positioned row-pixels comprise even column row-pixels and the second positioned row-pixels comprise odd column row-pixels, the even column row-pixels comprising those row-pixels of the row belonging to the even columns of column-pixels, the odd column row-pixels comprising those row-pixels of the row belonging to the odd columns of column-pixels.

6. The LCD panel of claim 5 ,

wherein the rows of row-pixels comprise even rows of row-pixels and odd rows of row-pixels alternating with the even rows of row-pixels,

wherein for each odd column of the odd columns of column-pixels, the first positioned column-pixels comprise even row column-pixels and the second positioned column-pixels comprise odd row column-pixels, the odd row column-pixels comprising those column-pixels of the odd column belonging to the odd rows of row-pixels, the even row column-pixels comprising those column-pixels of the odd column belonging to the even rows of row-pixels, and

wherein for each even column of the even columns of column-pixels, the first positioned column-pixels comprise odd row column-pixels and the second positioned column-pixels comprise even row column-pixels, the odd row column-pixels comprising those column-pixels of the even column belonging to the odd rows of row-pixels, the even row column-pixels comprising those column-pixels of the even column belonging to the even rows of row-pixels.

7. The LCD panel of claim 5 ,

wherein the rows of row-pixels comprise even rows of row-pixels and odd rows of row-pixels alternating with the even rows of row-pixels,

wherein for each odd column of the odd columns of column-pixels, the first positioned column-pixels comprise odd row column-pixels and the second positioned column-pixels comprise even row column-pixels, the odd row column-pixels comprising those column-pixels of the odd column belonging to the odd rows of row-pixels, the even row column-pixels comprising those column-pixels of the odd column belonging to the even rows of row-pixels, and

wherein for each even column of the even columns of column-pixels, the first positioned column-pixels comprise even row column-pixels and the second positioned column-pixels comprise odd row column-pixels, the even row column-pixels comprising those column-pixels of the even column belonging to the even rows of row-pixels, the odd row column-pixels comprising those column-pixels of the even column belonging to the odd rows of row-pixels.

8. The LCD panel of claim 1 ,

wherein the data-lines comprise a plurality of odd data-lines and a plurality of even data-lines alternating with the odd data-lines, and

wherein in an odd frame, the odd data-lines are configured to receive data signals of a first polarity and the even data-lines are configured to receive data signals of a second polarity, the second polarity being opposite to the first polarity.

9. The LCD panel of claim 8 , wherein in an even frame, the odd data-lines are configured to receive data signals of the second polarity and the even data-lines are configured to receive data signals of the first polarity.

10. The LCD panel of claim 9 , wherein the first polarity is positive polarity relative to a common voltage and the second polarity is negative polarity relative to the common voltage.

11. The LCD panel of claim 9 , wherein the first polarity is negative polarity relative to a common voltage and the second polarity is positive polarity relative to the common voltage.

12. The LCD panel of claim 1 , wherein the data-lines comprise a plurality of odd data-lines and a plurality of even data-lines alternating with the odd data-lines, the LCD panel further comprising a charge-sharing control circuit configured to control the odd data-lines to share electric charges in accordance with a charge-sharing control signal and to control the even data-lines to share electric charges in accordance with the charge-sharing control signal.

13. The LCD panel of claim 12 , wherein the charge-sharing control circuit comprises:

a plurality of first switches configured to couple the odd data-lines to each other in accordance with the charge-sharing control signal; and

a plurality of second switches configured to couple the even data-lines to each other in accordance with the charge-sharing control signal.

14. The LCD panel of claim 13 ,

wherein the charge-sharing control signal comprises a pre charge-sharing (PCS) signal, and

wherein the first switches and the second switches are configured to turn on before row-pixels coupled to the plurality of gate-lines are charged.

15. The LCD panel of claim 13 ,

wherein the charge-sharing control signal comprises a pre charge-sharing (PCS) signal, and

wherein the first switches and the second switches are configured to turn on after row-pixels coupled to the plurality of gate-lines are charged.

16. The LCD panel of claim 1 ,

wherein the data-lines comprise a plurality of odd data-lines and a plurality of even data-lines alternating with the odd data-lines, and

wherein each of the pixels comprises:

a switching element configured to perform switching operations in accordance with a gate signal output from one of the gate-lines; and

a liquid crystal capacitor configured to control light transmittance of a liquid crystal layer in accordance with a data signal output from one of the odd data-lines or one of the even data-lines.

17. The LCD panel of claim 16 , wherein the switching element comprises a thin film transistor (TFT) that includes a gate terminal for receiving the gate signal, a source terminal for receiving the data signal, and a drain terminal for outputting the data signal to the liquid crystal capacitor.

18. The LCD panel of claim 17 , wherein each of the pixels further comprises a storage capacitor configured to maintain a charged voltage of the liquid crystal capacitor.

Assignments (2)
MERGER Recorded Aug 10, 2012
From: SAMSUNG MOBILE DISPLAY CO., LTD.
To: SAMSUNG DISPLAY CO., LTD.
Reel/Frame 028769/0541 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 9, 2011
From: LEE, SEUNG-KYU; LEE, DONG-HOON; KIM, CHUL-HO; PARK, JIN-WOO
To: SAMSUNG MOBILE DISPLAY CO., LTD.
Reel/Frame 026244/0918 →
Priority Claims (1)
KR 10-2010-0105654 · Oct 28, 2010 · national
Continuity (1)
Related Publication 20120105494A1 · May 3, 2012