# US 10,483,334 B1 · Display panel and electronic device comprising thereof

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- Number: US 10,483,334 B1
- Document ID: US10483334B1
- Status: Granted
- Kind: B1
- Application number: 16/038,194
- Filed: 2018-07-18
- Published: 2019-11-14
- Granted: 2019-11-19
- Earliest claimed: 2018-05-09
- Assignees: Au Optronics Corporation
- Applicants: Au Optronics Corporation
- Inventors: Yu-Chin Wu; Chia-Tien Chou
- Web page: https://patentgrep.com/patent/US10483334B1

## CPC

- H10K 59/38: comprising colour filters or colour changing media [CCM]
- H10F 77/244: {made of transparent conductive layers, e.g. transparent conductive oxide [TCO] layers}
- H10H 20/8514: {characterised by their shape, e.g. plate or foil}
- H10H 20/855: Optical field-shaping means, e.g. lenses
- H10H 20/857: Interconnections, e.g. lead-frames, bond wires or solder balls
- H10H 29/142: {Two-dimensional arrangements, e.g. asymmetric LED layout}
- H10K 59/1213: {the pixel elements being TFTs}
- H10K 59/122: Pixel-defining structures or layers, e.g. banks
- H10K 59/126: Shielding, e.g. light-blocking means over the TFTs
- H10K 59/131: Interconnections, e.g. wiring lines or terminals
- H10K 59/35: comprising red-green-blue [RGB] subpixels
- H10K 59/40: OLEDs integrated with touch screens
- H10K 59/65: OLEDs integrated with inorganic image sensors
- H10K 59/12: Active-matrix OLED [AMOLED] displays
- H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10F: INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10H: INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS

## Abstract

A display panel comprising a first substrate, a second substrate, a color conversion layer, and an image sensing layer. A plurality of display units are between the first substrate and the second substrate. At least one of the plurality of display units has at least three sub-pixels. Each of the sub-pixels at least has one display region and a light shielding region disposed on at least one side of the display region. The color conversion layer is disposed in the display unit. Each of the color conversion elements is disposed in at least one portion of the light shielding region of each of the sub-pixels. The image sensing layer is disposed on the display unit and at least partially overlaps the color conversion layer. Each of the image sensing elements is disposed in at least one portion of the light shielding region of each of the sub-pixels to serve as an image sensing region.

## Claims

### Claim 1

A display panel, comprising:
a first substrate; and
a second substrate, corresponding to the first substrate, wherein a plurality of display units are provided between the first substrate and the second substrate, at least one of the display units respectively comprises three sub-pixels configured to display different colors respectively, the sub-pixels respectively have at least one switch element electrically connected to a signal line, wherein the sub-pixels respectively at least have a display region and a light shielding region disposed on at least one side of the display region, and at least one display element is disposed in the display region;
a color conversion layer, disposed on the display units, wherein the color conversion layer comprises three color conversion elements respectively corresponding to the sub-pixels, and the color conversion elements respectively convert a light into different colors, wherein each of the color conversion elements is disposed in at least one portion of the light shielding region of each of the sub-pixels; and
an image sensing layer, disposed on the display units and at least partially overlapping the color conversion layer, wherein the image sensing layer comprises three image sensing elements respectively corresponding to the sub-pixels, and each of the image sensing elements is electrically connected to a reading line through at least one reading element, wherein each of the image sensing elements is disposed in at least one portion of the light shielding region of each of the sub-pixels to serve as an image sensing region.

### Claim 2 (depends on 1)

The display panel according to claim 1, further comprising a dielectric layer, wherein an outer surface of the first substrate serves as a viewing surface, the sub-pixels, the color conversion layer, the image sensing layer and the dielectric layer are disposed on an inner surface of the first substrate, wherein the dielectric layer covers the image sensing element, a portion of the first substrate and a portion of the color conversion layer, the dielectric layer is disposed between the color conversion layer and the switch elements and between the first substrate and the switch elements.

### Claim 3 (depends on 2)

The display panel according to claim 2, wherein each of the image sensing elements comprises a first electrode, a second electrode corresponding to the first electrode and a photoelectric conversion layer disposed between the first electrode and the second electrode, wherein the first electrode is closer to the first substrate than the second electrode is.

### Claim 4 (depends on 3)

The display panel according to claim 3, wherein the first electrode of each of the image sensing elements has a transparency greater than the second electrode, and the second electrode serves as a light shielding element.

### Claim 5 (depends on 1)

The display panel according to claim 1, further comprising a dielectric layer, wherein an outer surface of the second substrate serves as a viewing surface, the sub-pixels are disposed on an inner surface of the first substrate, and the color conversion layer, the image sensing layer and the dielectric layer are disposed on an inner surface of the second substrate, wherein the dielectric layer covers the image sensing elements and a portion of the second substrate.

### Claim 6 (depends on 5)

The display panel according to claim 5, wherein each of the image sensing elements comprises a first electrode, a second electrode corresponding to the first electrode and a photoelectric conversion layer disposed between the first electrode and the second electrode, wherein the first electrode is closer to the second substrate than the second electrode is.

### Claim 7 (depends on 6)

The display panel according to claim 6, wherein the first electrode of each of the image sensing elements has a transparency greater than the second electrode, and the second electrode serves as a light shielding element.

### Claim 8 (depends on 1)

The display panel according to claim 1, wherein each of the color conversion elements comprises at least two layers, and refractive indexes of the layers are different.

### Claim 9 (depends on 1)

The display panel according to claim 1, wherein each of the color conversion elements comprises a plurality of first wire grids substantially parallel with each other, and any two adjacent first wire grids has a gap therebetween.

### Claim 10 (depends on 9)

The display panel according to claim 9, wherein the first wire grids of the color conversion elements have various cycles.

### Claim 11 (depends on 9)

The display panel according to claim 9, wherein the color conversion elements have three sets of the first wire grids respectively corresponding to the image sensing elements of the sub-pixels, the three sets of wire grids respectively have a cycle, and the cycles are different from each other.

### Claim 12 (depends on 9)

The display panel according to claim 9, further comprising a plurality of second wire grids respectively corresponding to the display region of each of the sub-pixels, a cycle of the first wire grids corresponding to each of the sub-pixels is larger than a cycle of the second wire grids, and the second wire grids serve as a polarizer.

### Claim 13 (depends on 1)

The display panel according to claim 1, wherein each of the sub-pixels further has a display electrode disposed in the display region, and the display element is disposed on the display electrode.

### Claim 14 (depends on 1)

The display panel according to claim 1, wherein each of the sub-pixels further has a display defining pattern, the display defining pattern has at least one opening, and the display element is disposed in the opening.

### Claim 15 (depends on 1)

The display panel according to claim 1, further comprising a touch element, the touch element overlapping at least a portion of the display units.

### Claim 16 (depends on 1)

An electronic device, comprising the display panel according to claim 1.