Display panel, input/output device, and data processor

• US 9,933,812 B2
• Filed: 09/01/2015
• Issued: 04/03/2018
• 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
• Primary Examiner(s): Sitta, Grant
• Application Number:
  US14/842,327
• Publication Number:
  US 20160070314A1
• Time in Patent Office: 945 Days
• 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 terminal portion comprising a first terminal and a second terminal over the base; and

a driver circuit comprising a first contact electrically connected to the first terminal and a second contact electrically connected to the second terminal in the terminal portion,

wherein a sum A, a sum B, and a distance L satisfy the following Formula 1,

2. The display panel according to claim 1,

wherein the terminal portion further comprises a third terminal adjacent to the first terminal and a fourth terminal adjacent to the second terminal, and

wherein the sum A, the sum B, a sum C, and the distance L satisfy the following Formula 2,

3. The display panel according to claim 1, further comprising:

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

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

a second signal line crossing the selection signal line over the base and electrically connected to the second pixel,

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

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

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

4. The display panel according to claim 3, wherein an area of the first terminal is larger than an area of the first pixel.

5. The display panel according to claim 3,

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.

6. The display panel according to claim 3,

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.

7. The display panel according to claim 3, wherein an area of the third terminal is larger than an area of the first pixel.

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

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

10. An input/output device comprising:

the display panel according to claim 1; and

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

11. 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.