IP Library Granted Patent US 10,229,645
Granted Patent B2
US 10,229,645 · App. 15/434,598 · Granted Mar 12, 2019

Display device and electronic apparatus

Inventors: Hidemasa Yamaguchi (Aichi, JP); Hironao Tanaka (Kanagawa, JP); Daisuke Ito (Kanagawa, JP)
Assignee: JAPAN DISPLAY INC.
G09G3/3677G02F1/13306G02F1/133512G02F1/133514G02F1/134363G09G3/3607G09G3/3655G02F1/134309G02F2201/122G02F2201/52G09G2300/0426G09G2300/0452G09G2300/0465G09G2310/0297G09G2310/08G09G2320/0626H01L27/124
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Quick Facts
Patent No.
US 10,229,645
App. No.
15/434,598
Granted
Mar 12, 2019
Kind
B2
Abstract

A display device includes: pixels corresponding to respective colors arranged in matrix, wherein each pixel has a pixel circuit portion in which a circuit for display driving of the pixel is arranged and a pixel opening to be an area obtaining effective display light, the pixel openings of the pixels corresponding to at least one color have an area different from areas of the pixel openings of pixels corresponding to other colors.

Claims (22)

1. A display device comprising: a first substrate and a second substrate; a plurality of pixels corresponding to respective colors arranged in a matrix; wherein the first substrate includes, in each of the pixels, a pixel circuit portion that includes a circuit for display driving the pixels, and a pixel opening that includes an area capable of obtaining display light; the second substrate includes, in each of the pixels, a color filter that overlaps the pixel opening; the pixels at least include: at least one first color pixel with a same first color arrayed in a column direction, each of the at least one first color pixels including a first circuit portion and a first pixel opening arranged along the column direction, at least one second color pixel with a same second color arrayed in the column direction; a third color pixel having a third circuit portion and a third pixel opening arranged along the column direction; in a row direction, the at least one first color pixel and the at least one second color pixel area arranged in a same row, an area of the first pixel opening of one of the at least one first color pixels in one row is different from an area of the first pixel opening of another one of the at least one first color pixels in an adjacent row to the one row, or an area of the second pixel opening of one of the at least one second color pixels in the one row is different from an area of the second pixel opening of another one of the at least one second color pixels in the adjacent row to the one row; and the first pixel circuit portion and the second pixel circuit portion are arranged at equal pitches being measured between adjacent pixels in the row direction and in the same row.

2. The display device according to claim 1 , wherein the pixels further include a fourth color pixel having a fourth circuit portion and a fourth pixel opening arranged along the column direction, wherein

in the row direction, the first color pixel, the second color pixel, and the fourth color pixel are arranged in the one row, and the first color pixel, the second color pixel, and the third color pixel are arranged in the adjacent row,

the first pixel circuit portion, the second pixel circuit portion, the third pixel circuit portion, and the fourth pixel circuit portion are arranged at equal pitches being measured between adjacent pixels in the row direction.

3. The display device according to claim 1 , further comprising plural signal lines for supplying pixel signals to respective pixels; and plural scanning lines arranged in a direction intersecting the signal lines, to which a scanning pulse for controlling operations of the pixel circuit portions is provided.

4. The display device according to claim 3 , wherein areas of the signal lines, the scanning lines and the pixel circuit portions are shielded from light by a shielding film with respect to a display surface plane, and the pixel openings are areas in which the shielding film is not formed.

5. The display device according to claim 3 , further comprising pixel electrodes that are disposed in each of the pixels and are arranged in a direction crossing the signal lines.

6. The display device according to claim 3 , wherein

the signal lines include straight signal lines extending along the column direction, and signal lines having straight parts and bent parts,

the bent parts of the signal lines are bent with an oblique angles to the straight parts.

7. An electronic apparatus comprising the display device according to claim 1 .

8. A display device comprising: a first substrate and a second substrate; a plurality of pixels corresponding to respective colors arranged in a matrix; signal lines for supplying pixel signals to respective pixels; wherein the first substrate includes, in each of the pixels, a pixel circuit portion that includes a circuit for display driving the pixels, and a pixel opening that includes an area capable of obtaining display light; the second substrate includes, in each of the pixels, a color filter that overlaps the pixel opening; the pixels at least include: at least one first color pixel with a same first color arrayed in a column direction, each of the at least one first color pixels including a first circuit portion and a first pixel opening arranged along the column direction, at least one second color pixel with a same second color arranged in the column direction, each of the at least one second color pixels including a second circuit portion and a second pixel opening arranged along the column direction, and a third color pixel having a third circuit portion and a third pixel opening arranged along the column direction; pitches between the signal lines in a row direction and in a same row associated with each of the first pixel circuit portion, the second pixel circuit portion, and the third pixel circuit portion are equal; and in an area in the row direction associated with each of the first pixel opening portion and the second pixel opening portion arranged in a same row, a pitch between signal lines in one row is different from a pitch between signal lines in an adjacent row to the one row.

9. The display device according to claim 8 , wherein the pixels further include a fourth color pixel having a fourth circuit portion and a fourth pixel opening arranged along the column direction, wherein

in the row direction, the first color pixel, the second color pixel, and the fourth color pixel are arranged in the one row, and the first color pixel, the second color pixel, and the third color pixel are arranged in the adjacent row, and

pitches between the signal lines in a row direction and in the same row associated with each of the first pixel circuit portion, the second pixel circuit portion, the third pixel circuit portion, and the fourth pixel circuit portion are equal.

10. The display device according to claim 8 , further comprising plural scanning lines arranged in a direction orthogonal to the signal lines, to which a scanning pulse for controlling operations of the pixel circuit portions is provided.

11. The display device according to claim 10 , wherein areas of the signal lines, the scanning lines and the pixel circuit portions are shielded from light by a shielding film with respect to a display surface plane, and the pixel openings are areas in which the shielding film is not formed.

12. The display device according to claim 11 , further comprising pixel electrodes that are disposed in each of the pixels and are arranged in a direction crossing the signal lines.

13. The display device according to claim 8 , wherein

the signal lines includes straight signal lines extending along the column direction, and signal lines having straight parts and bent parts,

the bent parts of the signal lines are bent with oblique angles to the straight parts.

14. An electronic apparatus comprising the display device according to claim 8 .

Assignments (4)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 22, 2025
From: JAPAN DISPLAY INC.
To: MAGNOLIA WHITE CORPORATION
Reel/Frame 072130/0313 →
CORRECTIVE ASSIGNMENT TO CORRECT THE EXECUTION DATE PREVIOUSLY RECORDED AT REEL: 041284 FRAME: 0192. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT . Recorded May 4, 2017
From: YAMAGUCHI, HIDEMASA; TANAKA, HIRONAO; ITO, DAISUKE
To: JAPAN DISPLAY WEST INC.
Reel/Frame 042399/0241 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 17, 2017
From: YAMAGUCHI, HIDEMASA; TANAKA, HIRONAO; ITO, DAISUKE
To: JAPAN DISPLAY WEST INC.
Reel/Frame 041284/0192 →
CHANGE OF NAME Recorded Feb 17, 2017
From: JAPAN DISPLAY WEST INC.
To: JAPAN DISPLAY INC.
Reel/Frame 041745/0749 →
Priority Claims (1)
JP 2012-049116 · Mar 6, 2012 · national
Continuity (2)
Continuation 13740943 · Jan 14, 2013
Related Publication 20170162162A1 · Jun 8, 2017