Display Panel, Input/output Device, and Data Processor

• US 20160070314A1
• Filed: 09/01/2015
• Published: 03/10/2016
• Est. Priority Date: 09/05/2014
• Status: Active Grant

• Current Assignee: Semiconductor Energy Laboratory Co., Ltd.
• Original Assignee: Semiconductor Energy Laboratory Co., Ltd.
• Inventors: Takahashi, Kei, Shishido, Hideaki, Maruyama, Junya
• Granted Patent: US 9,933,812 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: G02F 1/133308 Support structures for LCD panels, e.g. frames or bezels
• CPC Class Codes: G02F 1/133325 Assembling processes
• CPC Class Codes: G02F 1/1345 Conductors connecting electrodes to cell terminals
• CPC Class Codes: G02F 1/13452 Conductors connecting driver circuitry and terminals of panels
• CPC Class Codes: G06F 1/1601 Constructional details related to the housing of computer displays, e.g. of CRT monitors, of flat displays constructional details related to flat displays integrated in a portable computer, e.g. laptop, handheld computer G06F1/1637; constructional details related to television receivers H04N5/64
• CPC Class Codes: G06F 1/1643 the display being associated to a digitizer, e.g. laptops that can be used as penpads details related to the relative motion of the display enclosure with respect to the body enclosure, e.g. to move between laptop and tablet PC configuration G06F1/1615
• CPC Class Codes: G06F 1/1652 the display being flexible, e.g. mimicking a sheet of paper, or rollable
• CPC Class Codes: G09G 2300/0426 Layout of electrodes and connections
• CPC Class Codes: G09G 3/20 for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
• CPC Class Codes: G09G 3/2096 Details of the interface to the display terminal specific for a flat panel suitable for both CRT and flat panel G09G5/006; specific for a CRT G09G1/167
• CPC Class Codes: G09G 5/003 Details of a display terminal, the details relating to the control arrangement of the display terminal and to the interfaces thereto specific for a CRT G09G1/165; for a flat panel G09G3/2092

Abstract

A novel display panel that is highly convenient or reliable, a novel input/output device that is highly convenient or reliable, or a novel data processor that is highly convenient or reliable is provided. The display panel includes a selection signal line, a first signal line and a second signal line that cross the selection signal line, a first pixel electrically connected to the selection signal line and the first signal line, a second pixel electrically connected to the selection signal line and the second signal line, a first terminal electrically connected to the first signal line, and a second terminal electrically connected to the second signal line.

Claims

1. A display panel comprising:

a base;

a selection signal line on the base and electrically connected to a first pixel and a second pixel;

a first signal line crossing the selection signal line on the base and electrically connected to the first pixel;

a second signal line crossing the selection signal line on the base and electrically connected to the second pixel;

a first terminal electrically connected to the first signal line on the base; and

a second terminal electrically connected to the second signal line on the base,

wherein the second terminal includes a first region overlapping with the first signal line with an insulating layer provided therebetween.

2. The display panel according to claim 1, wherein an area of the first terminal is larger than an area of the first pixel.

3. The display panel according to claim 1,

wherein the selection signal line extends in a row direction,

wherein the first signal line extends in a column direction,

wherein the second signal line extends along the first signal line, and

wherein a distance in the column direction between the first terminal and the second terminal is greater than or equal to 0.45 times a distance in the row direction between the first pixel and the second pixel.

4. The display panel according to claim 1,

wherein the selection signal line extends in a row direction,

wherein the first signal line extends in a column direction,

wherein the second signal line extends along the first signal line, and

wherein a distance in the column direction between the first terminal and the second terminal is greater than or equal to 1 time and less than or equal to 40 times a distance in the row direction between the first pixel and the second pixel.

5. The display panel according to claim 1, wherein the base has flexibility and a shrinkage of less than or equal to 3%.

6. The display panel according to claim 1, wherein the base comprises at least one of polyester, polyolefin, polyamide, polyimide, polycarbonate, and an acrylic resin.

7. An input/output device comprising:

the display panel according to claim 1; and

a sensor panel including a second region overlapping with the first pixel and the second pixel of the display panel.

8. A data processor comprising:

the display panel according to claim 1; and

at least one of a microphone, an antenna, a battery, an operation switch, and a housing.

9. A display panel comprising:

a base;

a terminal portion comprising a third terminal and a fourth terminal on the base; and

a driver circuit comprising a third contact electrically connected to the third terminal and a fourth contact electrically connected to the fourth terminal in the terminal portion,

wherein a sum A, a sum B, and a distance L satisfy the following Formula,

wherein the sum A is a sum of a distance al and a distance a2,

wherein the distance a1 is a distance from a position where a straight line through a center of the third terminal and a center of the fourth terminal starts crossing the third contact to a position where the straight line completes crossing the third contact,

wherein the distance a2 is a distance from a position where the straight line starts crossing the fourth contact to a position where the straight line completes crossing the fourth contact,

wherein the sum B is a sum of a distance b1 and a distance b2,

wherein the distance b1 is a distance from a position where the straight line starts crossing the third terminal to a position where the straight line completes crossing the third terminal,

wherein the distance b2 is a distance from a position where the straight line starts crossing the fourth terminal to a position where the straight line completes crossing the fourth terminal, and

wherein the distance L is a distance between the center of the third terminal and the center of the fourth terminal.

10. The display panel according to claim 9,

wherein the terminal portion further comprises a fifth terminal adjacent to the third terminal and a sixth terminal adjacent to the fourth terminal, and

wherein the sum A, the sum B, a sum C, and the distance L satisfy the following formula,

wherein the sum C is a sum of a distance c1 and a distance c2,

wherein the distance c1 is a distance between the third terminal and the fifth terminal, and

wherein the distance c2 is a distance between the fourth terminal and the sixth terminal.

11. The display panel according to claim 9, further comprising:

a selection signal line on the base and electrically connected to a third pixel and a fourth pixel;

a third signal line crossing the selection signal line on the base and electrically connected to the third pixel; and

a fourth signal line crossing the selection signal line on the base and electrically connected to the fourth pixel,

wherein the third terminal electrically connected to the third signal line,

wherein the fourth terminal electrically connected to the fourth signal line, and

wherein the fourth terminal includes a first region overlapping with the third signal line with an insulating layer provided therebetween.

12. The display panel according to claim 11, wherein an area of the third terminal is larger than an area of the third pixel.

13. The display panel according to claim 11,

wherein the selection signal line extends in a row direction,

wherein the third signal line extends in a column direction,

wherein the fourth signal line extends along the third signal line, and

wherein a distance in the column direction between the third terminal and the fourth terminal is greater than or equal to 0.45 times a distance in the row direction between the third pixel and the fourth pixel.

14. The display panel according to claim 11,

wherein the selection signal line extends in a row direction,

wherein the third signal line extends in a column direction,

wherein the fourth signal line extends along the third signal line, and

wherein a distance in the column direction between the third terminal and the fourth terminal is greater than or equal to 1 time and less than or equal to 40 times a distance in the row direction between the third pixel and the fourth pixel.

15. The display panel according to claim 11, wherein an area of the third terminal is larger than an area of the third pixel.

16. The display panel according to claim 9, wherein the base has flexibility and a shrinkage of less than or equal to 3%.

17. The display panel according to claim 9, wherein the base comprises at least one of polyester, polyolefin, polyamide, polyimide, polycarbonate, and an acrylic resin.

18. An input/output device comprising:

the display panel according to claim 9; and

a sensor panel including a second region overlapping with a third pixel and a fourth pixel of the display panel.

19. A data processor comprising:

the display panel according to claim 9; and

at least one of a microphone, an antenna, a battery, an operation switch, and a housing.