IP Library › Granted Patent US 10,908,724
Granted Patent B2
US 10,908,724 · App. 16/573,247 · Granted Feb 2, 2021

Display device

Inventor: Takayuki Nakanishi (Tokyo, JP)
Assignee: Japan Display Inc.
G06F3/0412G06F3/044H01L27/323H01L27/326G06F2203/04107H01L27/3244
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Quick Facts
Patent No.
US 10,908,724
App. No.
16/573,247
Granted
Feb 2, 2021
Kind
B2
Abstract

A display device with an input function is provided having a plurality of pixel parts arranged at intervals in a first direction and a second direction intersecting the first direction, and a display region including a plurality of light-transmitting parts arranged in the gap portions of the pixel parts, the pixel parts include at least one pixel provided with light-emitting elements, the light-transmitting part includes a sensor electrode for detecting electrostatic capacitance.

Claims (54)

1. A display device comprising:

a first substrate having light-transmissive property;

a display region on the first substrate;

a plurality of pixel parts arranged in the display region, each of the plurality of pixel parts including at least one pixel; and

a light-transmitting part arranged in the display region;

wherein the plurality of pixel parts include a first pixel part, a second pixel part, a third pixel part, and a fourth pixel part,

wherein the second pixel part is arranged in a first direction from the first pixel part, the third pixel part is arranged in a second direction intersecting the first direction from the first pixel part, and the fourth pixel part is arranged in the first direction from the third pixel part and in the second direction from the second pixel part,

wherein the light-transmitting part includes:

a first intermediate region between the first pixel part and the second pixel part in the first direction,

a second intermediate region between the third pixel part and the fourth pixel part in the first direction,

a third intermediate region between the first pixel part and the third pixel part in the second direction,

a fourth intermediate region between the second pixel part and the fourth pixel part in the second direction, and

a region surrounded by the first to fourth intermediate region,

wherein a length in the first direction of the region is greater than a length in the first direction of the third intermediate region, and

wherein a length in the second direction of the region is greater than a length in the second direction of the first intermediate region.

2. The display device according to claim 1 ,

wherein the length in the first direction of the region is greater than a length in the first direction of the first pixel part, and the length in the second direction of the region is greater than a length in the second direction of the first pixel part.

3. The display device according to claim 1 ,

wherein the pixel includes a light emitting element, the light-emitting element includes a first electrode, and a second electrode, and a light-emitting layer between the first electrode and the second electrode.

4. The display device according to claim 1 , further comprising:

a sealant over the plurality of the pixel part and the light-transmitting part,

wherein a thickness of the sealant of the light-transmitting part is greater than that of the sealant of the pixel parts.

5. The display device according to claim 3 , further comprising:

a sensor electrode provided in the region.

6. The display device according to claim 5 , further comprising:

a vertical drive circuit for outputs scans data signals, a horizontal drive circuit outputs for a synchronizing signal, a scanning line, a data line, and a detection wiring,

wherein the vertical drive circuit and the horizontal drive circuit are outside the display region,

wherein the display region includes the scanning line extending in the first direction and the data line extending in the second direction,

wherein the detection wiring arranged almost parallel to the scanning line or the data line, and

wherein the scanning line electrically connected to the vertical drive circuit, the data line electrically connected to the horizontal drive circuit, and the detection wiring electrically connected to the sensor electrode.

7. The display device according to claim 5 , further comprising:

a first shield electrode is provided in the region, the first shield electrode is provided between the sensor electrode and the first substrate.

8. The display device according to claim 5 , further comprising:

a second shield electrode is provided in the region, the second shield electrode is a same layer of the sensor electrode, and provided along at least one side of the sensor electrode.

9. The display device according to claim 1 , further comprising:

a first sensor electrode, an insulator, and a second sensor electrode stacked in this order in the region.

10. The display device according to claim 9 , further comprising:

a circuit element layer including a transistor in which a semiconductor layer, a gate insulator and a gate electrode are stacked, and a wiring connected to the transistor;

wherein the first sensor electrode is provided in the same layer as the gate electrode, and the second sensor electrode is provided in the same layer as the wiring connected to the transistor.

11. The display device according to claim 9 ,

wherein the display region includes a scanning line extending in the first direction and a data line extending in the second direction intersecting the first direction, and

wherein the first sensor electrode is arranged in the same layer as the scanning line, and the second sensor electrode is arranged in the same layer as the data line.

12. The display device according to claim 9 ,

wherein either the first sensor electrode or the second sensor electrode is a transmitting electrode, and the other is a receiving electrode.

13. The display device according to claim 1 , further comprising:

a second substrate having a light-transmitting opposed to the first substrate;

a first sensor electrode arranged on the first substrate;

a second sensor electrode arranged on the second substrate; and

a shield electrode arranged in the light-transmitting part between the first substrate and the second substrate,

wherein the first sensor electrode and the second sensor electrode sandwich the shield electrode.

14. The display device according to claim 1 ,

wherein each of the first to fourth pixel parts includes a first pixel, second pixel adjacent to the first pixel in the first direction, and third pixel adjacent to the second pixel in the first direction.

15. The display device according to claim 14 ,

wherein in the first direction, a width of the first intermediate is greater than a width of the first pixel, and a length of the third intermediate region is greater than a length of the first pixel.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 22, 2025
From: JAPAN DISPLAY INC.
To: MAGNOLIA WHITE CORPORATION
Reel/Frame 072130/0313 →
Priority Claims (1)
JP 2016-127469 · Jun 28, 2016 · national
Continuity (2)
Continuation 15629943 · Jun 22, 2017
Related Publication 20200012374A1 · Jan 9, 2020
Cited By (2)
US 12,229,361 US 12,650,745