# US 12,217,644 B2 · Organic light emitting display panel

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- Number: US 12,217,644 B2
- Document ID: US12217644B2
- Status: Granted
- Kind: B2
- Application number: 18/108,946
- Filed: 2023-02-13
- Published: 2023-06-22
- Granted: 2025-02-04
- Earliest claimed: 2016-07-04
- Assignees: Samsung Display Co., Ltd.
- Applicants: Samsung Display Co., Ltd.
- Inventors: Jeong-Woo Moon; Jin-Koo Chung; Seong-Min Kim; Jin-Hyun Park; Chaun-Gi Choi
- Web page: https://patentgrep.com/patent/US12217644B2

## CPC

- G09G 3/3208: organic, e.g. using organic light-emitting diodes [OLED]
- G09G 3/2003: {Display of colours (specific for liquid crystal displays G09G3/3607)}
- G09G 3/2074: {using sub-pixels}
- G09G 3/3233: with pixel circuitry controlling the current through the light-emitting element
- H10K 50/11: characterised by the electroluminescent [EL] layers
- H10K 59/352: {the areas of the RGB subpixels being different}
- G09G 2300/0452: Details of colour pixel setup, e.g. pixel composed of a red, a blue and two green components
- G09G 2340/0457: Improvement of perceived resolution by subpixel rendering
- H10K 59/1201: {Manufacture or treatment}
- H10K 59/131: Interconnections, e.g. wiring lines or terminals
- H10K 59/179: Interconnections, e.g. wiring lines or terminals
- H10K 59/38: comprising colour filters or colour changing media [CCM]
- H10K 59/8792: {comprising light absorbing layers, e.g. black layers}
- G09G: ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION (arrangements for transferring data between digital computers and displays G06F3/14; static indicating arrangements comprising an association of a number of separate sources or light control cells G09F9/00; static indicating arrangements comprising integral associations of a number of light sources H01J, H01K, H10H, H05B33/12; scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission, details thereof H04N1/00)
- H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES

## Abstract

An OLED panel may include a substrate including a first region and a second region disposed along a first direction. A plurality of first pixels are disposed in the first region on the substrate, the first pixels each having a first area, the first pixels each comprising a first unit pixel, a second unit pixel disposed along a second direction from the first unit pixel, and a transmission portion disposed along the first direction from the first unit pixel and the second unit pixel. A plurality of second pixels are disposed in the second region on the substrate, the second pixels each having a second area less than the first area, the second pixels each comprising a third unit pixel. The first unit pixel, the second unit pixel, and the third unit pixel may have substantially the same shape as each other.

## Claims

### Claim 1

An organic light emitting display (OLED) panel, comprising:
a substrate including a first region and a second region;
a plurality of first organic light emitting patterns disposed in the first region, at least one of the plurality of first organic light emitting patterns being configured to emit a first light;
a plurality of second organic light emitting patterns disposed in the second region, at least one of the plurality of second organic light emitting patterns being configured to emit the first light;
a plurality of third organic light emitting patterns disposed in the first region, at least one of the plurality of third organic light emitting patterns being configured to emit a second light different from the first light; and
a plurality of fourth organic light emitting patterns disposed in the second region, at least one of the plurality of fourth organic light emitting patterns being configured to emit the second light,
wherein a light transmittance of the OLED panel in the first region is greater than a light transmittance of the OLED panel in the second region,
wherein a distance between two adjacent first organic light emitting patterns among the plurality of first organic light emitting patterns in a first direction is equal to a distance between two adjacent second organic light emitting patterns among the plurality of second organic light emitting patterns in the first direction,
wherein a distance between two adjacent first organic light emitting patterns among the plurality of first organic light emitting patterns in a second direction perpendicular to the first direction is equal to a distance between two adjacent second organic light emitting patterns among the plurality of second organic light emitting patterns in the second direction,
wherein a second one of the plurality of first organic light emitting patterns is disposed between a first one and a third one of the plurality of first organic light emitting patterns in the first direction, and
wherein the second one of the plurality of first organic light emitting patterns is a dummy organic light emitting pattern which does not emitting light.

### Claim 2 (depends on 1)

The OLED panel of claim 1, wherein a distance between two adjacent third organic light emitting patterns among the plurality of third organic light emitting patterns in the first direction is equal to a distance between two adjacent fourth organic light emitting patterns among the plurality of fourth organic light emitting patterns in the first direction, and
wherein a distance between two adjacent third organic light emitting patterns among the plurality of third organic light emitting patterns in the second direction is equal to a distance between two adjacent fourth organic light emitting patterns among the plurality of fourth organic light emitting patterns in the second direction.

### Claim 3 (depends on 1)

The OLED panel of claim 1, further comprising:
a plurality of fifth organic light emitting patterns disposed in the first region, at least one of the plurality of fifth organic light emitting patterns being configured to emit a third light different from the first light and the second light; and
a plurality of sixth organic light emitting patterns disposed in the second region, at least one of the plurality of sixth organic light emitting patterns being configured to emit the third light,
wherein a distance between two adjacent fifth organic light emitting patterns among the plurality of fifth organic light emitting patterns in the first direction is equal to a distance between two adjacent sixth organic light emitting patterns among the plurality of sixth organic light emitting patterns in the first direction, and
wherein a distance between two adjacent fifth organic light emitting patterns among the plurality of fifth organic light emitting patterns in the second direction is equal to a distance between two adjacent sixth organic light emitting patterns among the plurality of sixth organic light emitting patterns in the second direction.

### Claim 4 (depends on 3)

The OLED panel of claim 3, wherein one of the plurality of fifth organic light emitting patterns, two first anodes being adjacent in the second direction and overlapping the one of the plurality of fifth organic light emitting patterns, and a first cathode overlapping the one of the plurality of fifth organic light emitting patterns define two first sub-pixels adjacent in the second direction.

### Claim 5 (depends on 4)

The OLED panel of claim 4, wherein one of the plurality of sixth organic light emitting patterns, two second anodes being adjacent in the second direction and overlapping the one of the plurality of sixth organic light emitting patterns, and a second cathode overlapping the one of the plurality of sixth organic light emitting patterns define two second sub-pixels adjacent in the second direction.

### Claim 6 (depends on 5)

The OLED panel of claim 5, wherein the first cathode is integrally formed with the second cathode.

### Claim 7 (depends on 5)

The OLED panel of claim 5, further comprising:
a first layer integrally formed in the first and second regions between an anode layer including the two first anodes and the two second anodes and an organic light emitting layer including the plurality of fifth organic light emitting patterns and the plurality of sixth organic light emitting patterns.

### Claim 8 (depends on 7)

The OLED panel of claim 7, further comprising:
a second layer integrally formed in the first and second regions between the organic light emitting layer and a cathode layer including the first cathode and the second cathode.

### Claim 9 (depends on 1)

The OLED panel of claim 1, further comprising:
a transmission portion disposed in the first region, the transmission portion being defined as a region through which a light incident onto a first surface of the OLED panel is transmitted to a second surface of the OLED panel opposite to the first surface.

### Claim 10 (depends on 9)

The OLED panel of claim 9, further comprising:
an insulation layer disposed in the first and second regions and defining an opening that overlaps the transmission portion.

### Claim 11 (depends on 9)

The OLED panel of claim 9, wherein at least one of the plurality of first organic light emitting patterns and at least one of the plurality of third organic light emitting patterns are disposed in the transmission portion.

### Claim 12 (depends on 11)

The OLED panel of claim 11, wherein an entire region of the at least one of the plurality of first organic light emitting patterns and an entire region of the at least one of the plurality of third organic light emitting patterns are in the transmission portion.

### Claim 13 (depends on 9)

The OLED panel of claim 9, wherein a first sub-pixel disposed in the first region includes a first anode, one of the plurality of first organic light emitting patterns, and a first cathode which overlaps in a plan view,
wherein a second sub-pixel disposed in the second region includes a second anode, one of the plurality of second organic light emitting patterns, and a second cathode which overlaps in the plan view, and
wherein the first sub-pixel and the second sub-pixel emit light with a same color.

### Claim 14 (depends on 13)

The OLED panel of claim 13, wherein the first one of the plurality of first organic light emitting patterns is included in the first-sub pixel, and
wherein the second one of the plurality of first organic light emitting patterns adjacent to the first one of the plurality of first organic light emitting patterns in the first direction is disposed in the transmission portion.

### Claim 15 (depends on 9)

The OLED panel of claim 9, wherein one of the two adjacent first organic light emitting patterns in the first direction is disposed in the transmission portion.

### Claim 16 (depends on 1)

The OLED panel of claim 1, further comprising:
a data line disposed in the second region and extending along the first direction.

### Claim 17

An organic light emitting display (OLED) panel, comprising:
a substrate including a first region and a second region;
an anode layer disposed on the substrate in the first and second regions and including a plurality of anodes spaced apart from each other, each of the plurality of anodes defining a sub-pixel;
an organic light emitting layer disposed on the anode layer in the first and second regions and including a plurality of organic light emitting patterns spaced apart from each other; and
a transmission portion disposed in the first region, the transmission portion being defined as a region through which a light incident onto a first surface of the OLED panel is transmitted to a second surface of the OLED panel opposite to the first surface,
wherein a light transmittance of the OLED panel in the first region is greater than a light transmittance of the OLED panel in the second region,
wherein a density of the plurality of anodes in the first region is different from a density of the plurality of anodes in the second region, and
wherein a density of the plurality of organic light emitting patterns in the first region is equal to a density of the plurality of organic light emitting patterns in the second region.

### Claim 18 (depends on 17)

The OLED panel of claim 17, wherein the density of the plurality of anodes in the first region is less than the density of the plurality of anodes in the second region.

### Claim 19 (depends on 17)

The OLED panel of claim 17, wherein the plurality of anodes are not disposed in the transmission portion.

### Claim 20 (depends on 17)

The OLED panel of claim 17, wherein at least one of the plurality of organic light emitting patterns is disposed in the transmission portion.

### Claim 21 (depends on 20)

The OLED panel of claim 20, wherein an entire region of the at least one of the plurality of light emitting patterns is in the transmission portion.

### Claim 22 (depends on 17)

The OLED panel of claim 17, further comprising:
an insulation layer disposed in the first and second regions and defining an opening that overlaps the transmission portion.

### Claim 23 (depends on 17)

The OLED panel of claim 17, further comprising:
a first layer integrally formed in the first and second regions between the anode layer and the organic light emitting layer.

### Claim 24 (depends on 23)

The OLED panel of claim 23, further comprising:
a cathode layer disposed on the organic light emitting layer in the first and second regions; and
a second layer integrally formed in the first and second regions between the organic light emitting layer and the cathode layer.

### Claim 25

An organic light emitting display (OLED) panel, comprising:
a substrate including a first region and a second region;
a plurality of first organic light emitting patterns disposed in the first region, at least one of the plurality of first organic light emitting patterns being configured to emit a first light;
a plurality of second organic light emitting patterns disposed in the second region, at least one of the plurality of second organic light emitting patterns being configured to emit the first light;
a plurality of third organic light emitting patterns disposed in the first region, at least one of the plurality of third organic light emitting patterns being configured to emit a second light different from the first light;
a plurality of fourth organic light emitting patterns disposed in the second region, at least one of the plurality of fourth organic light emitting patterns being configured to emit the second light; and
a plurality of transistors,
wherein a light transmittance of the OLED panel in the first region is greater than a light transmittance of the OLED panel in the second region,
wherein a distance between two adjacent first organic light emitting patterns among the plurality of first organic light emitting patterns in a first direction is equal to a distance between two adjacent second organic light emitting patterns among the plurality of second organic light emitting patterns in the first direction,
wherein a distance between two adjacent first organic light emitting patterns among the plurality of first organic light emitting patterns in a second direction perpendicular to the first direction is equal to a distance between two adjacent second organic light emitting patterns among the plurality of second organic light emitting patterns in the second direction,
wherein a second one of the plurality of first organic light emitting patterns is disposed between a first one and a third one of the plurality of first organic light emitting patterns in the first direction,
wherein each of the first one and the third one of the plurality of first organic light emitting patterns is electrically connected to at least one of the plurality of transistors, and
wherein the second one of the plurality of first organic light emitting patterns is electrically connected to none of the plurality of transistors.

### Claim 26

An organic light emitting display (OLED) panel, comprising:
a substrate including a first region and a second region;
a plurality of first organic light emitting patterns disposed in the first region, at least one of the plurality of first organic light emitting patterns being configured to emit a first light;
a plurality of second organic light emitting patterns disposed in the second region, at least one of the plurality of second organic light emitting patterns being configured to emit the first light;
a plurality of third organic light emitting patterns disposed in the first region, at least one of the plurality of third organic light emitting patterns being configured to emit a second light different from the first light;
a plurality of fourth organic light emitting patterns disposed in the second region, at least one of the plurality of fourth organic light emitting patterns being configured to emit the second light; and
a transmission portion disposed in the first region, the transmission portion being defined as a region through which a light incident onto a first surface of the OLED panel is transmitted to a second surface of the OLED panel opposite to the first surface and in which no transistor is disposed,
wherein a light transmittance of the OLED panel in the first region is greater than a light transmittance of the OLED panel in the second region,
wherein a distance between two adjacent first organic light emitting patterns among the plurality of first organic light emitting patterns in a first direction is equal to a distance between two adjacent second organic light emitting patterns among the plurality of second organic light emitting patterns in the first direction,
wherein a distance between two adjacent first organic light emitting patterns among the plurality of first organic light emitting patterns in a second direction perpendicular to the first direction is equal to a distance between two adjacent second organic light emitting patterns among the plurality of second organic light emitting patterns in the second direction,
wherein a second one of the plurality of first organic light emitting patterns is disposed between a first one and a third one of the plurality of first organic light emitting patterns in the first direction, and
wherein an entire area of the second one of the plurality of first organic light emitting patterns is disposed in the transmission portion.

### Claim 27

An organic light emitting display (OLED) panel, comprising:
a substrate including a first region and a second region;
an anode layer disposed on the substrate in the first and second regions and including a plurality of anodes spaced apart from each other, each of the plurality of anodes defining a sub-pixel; and
an organic light emitting layer disposed on the anode layer in the first and second regions and including a plurality of organic light emitting patterns spaced apart from each other,
wherein a light transmittance of the OLED panel in the first region is greater than a light transmittance of the OLED panel in the second region,
wherein a density of the plurality of anodes in the first region is different from a density of the plurality of anodes in the second region,
wherein a density of the plurality of organic light emitting patterns in the first region is equal to a density of the plurality of organic light emitting patterns in the second region,
wherein the plurality of organic light emitting patterns include first, second, and third organic light emitting patterns disposed in the first region, at least one of the first, second and third organic light emitting patterns being configured to emit a first light,
wherein the second organic light emitting pattern is disposed between the first organic light emitting pattern and the third organic light emitting pattern in the first direction,
wherein each of the first organic light emitting pattern and the third organic light emitting pattern overlaps at least one of the plurality of anodes, and
wherein the second organic light emitting pattern overlaps none of the plurality of anodes.

### Claim 28

An organic light emitting display (OLED) panel, comprising:
a substrate including a first region and a second region;
an anode layer disposed on the substrate in the first and second regions and including a plurality of anodes spaced apart from each other, each of the plurality of anodes defining a sub-pixel; and
an organic light emitting layer disposed on the anode layer in the first and second regions and including a plurality of organic light emitting patterns spaced apart from each other,
wherein a light transmittance of the OLED panel in the first region is greater than a light transmittance of the OLED panel in the second region,
wherein a density of the plurality of anodes in the first region is different from a density of the plurality of anodes in the second region,
wherein a density of the plurality of organic light emitting patterns in the first region is equal to a density of the plurality of organic light emitting patterns in the second region, and
wherein two of the plurality of anodes are connected to each other.
