# US 12,016,230 B2 · Display apparatus

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- Number: US 12,016,230 B2
- Document ID: US12016230B2
- Status: Granted
- Kind: B2
- Application number: 17/075,094
- Filed: 2020-10-20
- Published: 2021-05-13
- Granted: 2024-06-18
- Earliest claimed: 2019-11-13
- Assignees: Samsung Display Co., Ltd.
- Applicants: Samsung Display Co., Ltd.
- Inventors: Jongwon Chae; Yongje Jeon; Moosoon Ko; Sunghoon Moon; Sewan Son; Jingoo Jung
- Web page: https://patentgrep.com/patent/US12016230B2

## CPC

- G09G 3/3233: with pixel circuitry controlling the current through the light-emitting element
- H10K 59/353: {characterised by the geometrical arrangement of the RGB subpixels}
- H10D 86/451: {characterised by the compositions or shapes of the interlayer dielectrics}
- H10D 86/481: {integrated with passive devices, e.g. auxiliary capacitors}
- H10D 86/60: wherein the TFTs are in active matrices
- H10K 59/352: {the areas of the RGB subpixels being different}
- G09G 2300/0426: Layout of electrodes and connections
- G09G 2300/0443: with several sub-pixels for the same colour in a pixel, not specifically used to display gradations (G09G3/364 takes precedence)
- G09G 2300/0452: Details of colour pixel setup, e.g. pixel composed of a red, a blue and two green components
- G09G 2300/0465: Improved aperture ratio, e.g. by size reduction of the pixel circuit, e.g. for improving the pixel density or the maximum displayable luminance or brightness
- G09G 2300/0819: used for counteracting undesired variations, e.g. feedback or autozeroing
- G09G 2300/0842: forming a memory circuit, e.g. a dynamic memory with one capacitor
- G09G 2300/0861: with additional control of the display period without amending the charge stored in a pixel memory, e.g. by means of additional select electrodes
- H10K 59/122: Pixel-defining structures or layers, e.g. banks
- H10K 59/124: Insulating layers formed between TFT elements and OLED elements
- H10K 59/126: Shielding, e.g. light-blocking means over the TFTs
- H10K 59/131: Interconnections, e.g. wiring lines or terminals
- H10K 59/351: {comprising more than three subpixels, e.g. red-green-blue-white [RGBW]}
- 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
- H10D: INORGANIC ELECTRIC SEMICONDUCTOR DEVICES

## Abstract

A display apparatus includes: a substrate; a first display area on the substrate; main subpixels at the first display area; a second display area on the substrate; and a basic unit at the second display area, the basic unit including auxiliary subpixels and a transmission portion. A pixel layout of the auxiliary subpixels is different from a pixel layout of the main subpixels, and a size of a light-emission area of a first auxiliary subpixel from among the auxiliary subpixels is greater than a size of a light-emission area of a first main subpixel from among the main subpixels, the first main subpixel representing the same color as that of the first auxiliary subpixel.

## Claims

### Claim 1

A display apparatus comprising:
a substrate;
a first display area on the substrate;
main subpixels at the first display area;
a second display area on the substrate; and
a basic unit at the second display area, the basic unit comprising auxiliary subpixels and a transmission portion,
wherein a pixel layout of the auxiliary subpixels is different from a pixel layout of the main subpixels,
wherein a size of a light-emission area of a first auxiliary subpixel among the auxiliary subpixels is greater than a size of a light-emission area of a first main subpixel among the main subpixels, the first main subpixel representing the same color as that of the first auxiliary subpixel,
wherein the main subpixels are arranged in a pentile matrix structure, and the auxiliary subpixels are arranged in an S-stripe structure,
wherein the main subpixels include red sub-pixels, green sub-pixels, and blue sub-pixels,
wherein, from among four vertexes of an imaginary quadrangle having a green main subpixel as a center point, red main sub-pixels are disposed at first and third vertices disposed diagonally, and blue main subpixels are disposed at remaining vertices,
wherein the area of the S-stripe structure of the auxiliary subpixels of the basic unit is about ⅓ the area of the transmission portion of the basic unit, and
wherein a corresponding unit at the first display area that has the same sized area as that of the basic unit at the second display area comprises a plurality of the main subpixels arranged in a plurality of the imaginary quadrangle, so that a sum of light-emitting areas of the S-stripe structure of the auxiliary subpixels of the basic unit is about 0.5 to 1 times a sum of light-emitting areas of the main subpixels of the plurality of the imaginary quadrangle in the corresponding unit at the first display area.

### Claim 2 (depends on 1)

The display apparatus of claim 1, wherein the first auxiliary subpixel and the first main subpixel are configured to emit a blue light.

### Claim 3 (depends on 1)

The display apparatus of claim 1, wherein an area occupied by the transmission portion in the basic unit is about ¾ of the area of the basic unit.

### Claim 4 (depends on 1)

The display apparatus of claim 1, wherein the auxiliary subpixels constitute pixel groups that are spaced apart from each other within the basic unit.

### Claim 5 (depends on 1)

The display apparatus of claim 1, further comprising an inorganic insulating layer on the substrate,
wherein the inorganic insulating layer has an opening corresponding to the transmission portion.

### Claim 6 (depends on 1)

The display apparatus of claim 1, wherein an opposite electrode covering the main subpixels and the auxiliary subpixels extends on the first display area and the second display area, the opposite electrode being integrally formed and having an opening corresponding to the transmission portion.

### Claim 7

A display apparatus comprising:
a substrate;
a first display area on the substrate;
main subpixels at the first display area;
a second display area on the substrate; and
a basic unit at the second display area, the basic unit comprising auxiliary subpixels and a transmission portion,
wherein a pixel layout of the auxiliary subpixels is different from a pixel layout of the main subpixels,
wherein a size of a light-emission area of a first auxiliary subpixel among the auxiliary subpixels is greater than a size of a light-emission area of a first main subpixel among the main subpixels, the first main subpixel representing the same color as that of the first auxiliary subpixel, and
wherein the main subpixels are arranged in an RGBG pentile matrix structure, and the auxiliary subpixels are arranged in an RBGB pentile matrix structure.

### Claim 8

A display apparatus comprising:
a substrate comprising a first display area and a second display area, the first display area comprising main subpixels, and the second display area comprising a basic unit comprising auxiliary subpixels and a transmission portion;
a first main subpixel among the main subpixels comprising a first pixel electrode and a first emission layer;
a first auxiliary subpixel among the auxiliary subpixels comprising a second pixel electrode and a second emission layer, the first auxiliary subpixel representing the same color as that of the first main subpixel; and
an opposite electrode covering the first display area and the second display area, the opposite electrode being integrally formed,
wherein a pixel layout structure of the auxiliary subpixels is different from a pixel layout structure of the main subpixels, and a size of a light-emission area of the first auxiliary subpixel is greater than a size of a light-emission area of the first main subpixel,
wherein the main subpixels are arranged in a pentile matrix structure, and the auxiliary subpixels are arranged in an S-stripe structure,
wherein the main subpixels include red sub-pixels, green sub-pixels, and blue sub-pixels,
wherein, from among four vertexes of an imaginary quadrangle having a green main subpixel as a center point, red main sub-pixels are disposed at first and third vertices disposed diagonally, and blue main subpixels are disposed at remaining vertices,
wherein the area of the S-stripe structure of the auxiliary subpixels of the basic unit is about ⅓ the area of the transmission portion of the basic unit, and
wherein a corresponding unit at the first display area that has the same sized area as that of the basic unit at the second display area comprises a plurality of the main subpixels arranged in a plurality of the imaginary quadrangle, so that a sum of light-emitting areas of the S-stripe structure of the auxiliary subpixels of the basic unit is about 0.5 to 1 times a sum of light-emitting areas of the main subpixels of the plurality of the imaginary quadrangle in the corresponding unit at the first display area.

### Claim 9 (depends on 8)

The display apparatus of claim 8, further comprising a functional layer between the first pixel electrode and the opposite electrode,
wherein the functional layer is located to correspond to the transmission portion.

### Claim 10 (depends on 8)

The display apparatus of claim 8, further comprising a pixel defining layer having a first opening and a second opening exposing center portions of the first pixel electrode and the second pixel electrode, respectively,
wherein the light-emission area of the first main subpixel is defined by the first opening, and the light-emission area of the first auxiliary subpixel is defined by the second opening.

### Claim 11 (depends on 8)

The display apparatus of claim 8, further comprising an inorganic insulating layer on the substrate,
wherein the inorganic insulating layer has an opening corresponding to the transmission portion.

### Claim 12 (depends on 8)

The display apparatus of claim 8, wherein the first display area and the second display area are sealed by an encapsulation substrate facing the substrate.

### Claim 13 (depends on 8)

The display apparatus of claim 8, further comprising a thin-film encapsulation layer comprising a first inorganic encapsulation layer, an organic encapsulation layer, and a second inorganic encapsulation layer sequentially on the opposite electrode.

### Claim 14 (depends on 8)

The display apparatus of claim 8, wherein the first auxiliary subpixel and the first main subpixel are configured to emit a blue light.

### Claim 15

A display apparatus comprising:
a substrate comprising a first display area and a second display area, the first display area comprising main subpixels, and the second display area comprising auxiliary subpixels and a transmission portion;
a first main subpixel among the main subpixels comprising a first pixel electrode and a first emission layer;
a first auxiliary subpixel among the auxiliary subpixels comprising a second pixel electrode and a second emission layer, the first auxiliary subpixel representing the same color as that of the first main subpixel; and
an opposite electrode covering the first display area and the second display area, the opposite electrode being integrally formed,
wherein a pixel layout structure of the auxiliary subpixels is different from a pixel layout structure of the main subpixels, and a size of a light-emission area of the first auxiliary subpixel is greater than a size of a light-emission area of the first main subpixel, and
wherein the main subpixels are arranged in an RGBG pentile matrix structure, and the auxiliary subpixels are arranged in an RBGB pentile matrix structure.
