# US 12,004,371 B2 · Display apparatus > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,004,371 B2 - Document ID: US12004371B2 - Status: Granted - Kind: B2 - Application number: 17/286,416 - Filed: 2019-10-17 - Published: 2021-12-16 - Granted: 2024-06-04 - Earliest claimed: 2018-10-18 - Assignees: Samsung Display Co., Ltd. - Applicants: Samsung Display Co., Ltd. - Inventors: Hyoeng-Ki Kim; Junhyuk Woo; Eonjoo Lee; Hyeonbum Lee; Jin-Whan Jung; Dongki Lee - Web page: https://patentgrep.com/patent/US12004371B2 ## CPC - G06F 3/0445: {using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer} - G06F 3/0443: {using a single layer of sensing electrodes} - H10K 59/40: OLEDs integrated with touch screens - H10K 59/878: {comprising reflective means} - H10K 59/879: {comprising refractive means, e.g. lenses} - H10K 59/8792: {comprising light absorbing layers, e.g. black layers} - G06F 3/0412: {Digitisers structurally integrated in a display} - G06F 2203/04111: Cross over in capacitive digitiser, i.e. details of structures for connecting electrodes of the sensing pattern where the connections cross each other, e.g. bridge structures comprising an insulating layer, or vias through substrate - G06F 2203/04112: Electrode mesh in capacitive digitiser: electrode for touch sensing is formed of a mesh of very fine, normally metallic, interconnected lines that are almost invisible to see. This provides a quite large but transparent electrode surface, without need for ITO or similar transparent conductive material - H10K 59/122: Pixel-defining structures or layers, e.g. banks - H10K 59/131: Interconnections, e.g. wiring lines or terminals - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES ## Abstract A display apparatus includes: a display layer including a plurality of organic light emitting elements, and defining a plurality of light emitting areas and a non-light emitting area surrounding the light emitting areas; and an input sensing layer on the display layer. The input sensing layer includes: a first conductive pattern on the display layer; an insulating layer on the first conductive pattern to cover the first conductive pattern, and defining a plurality of light collecting patterns overlapping with the light emitting areas in a plan view; a second conductive pattern on a top surface of the insulating layer; and an overcoat layer on the second conductive pattern to cover the insulating layer and the second conductive pattern. Each of the light collecting patterns is recessed downward from the top surface of the insulating layer. ## Claims ### Claim 1 A display apparatus comprising: a display layer including a plurality of organic light emitting elements and an encapsulation layer covering the plurality of organic light emitting elements, and defining a plurality of light emitting areas and a non-light emitting area surrounding the light emitting areas; and an input sensing layer on the display layer, wherein the input sensing layer comprises: a first conductive pattern on the encapsulation layer; an insulating layer on the first conductive pattern to cover the first conductive pattern, and defining a plurality of light collecting patterns overlapping with the light emitting areas in a plan view; a second conductive pattern on a top surface of the insulating layer; and an overcoat layer on the second conductive pattern to cover the insulating layer and the second conductive pattern, wherein each of the light collecting patterns is recessed downward from the top surface of the insulating layer, and wherein a portion of an upper surface of the encapsulation layer is exposed from the light collecting patterns and is covered by the overcoat layer. ### Claim 2 (depends on 1) The display apparatus of claim 1, wherein a refractive index of the overcoat layer is greater than a refractive index of the insulating layer. ### Claim 3 (depends on 2) The display apparatus of claim 2, wherein an inner surface of each of the light collecting patterns has an inclined surface that is inclined downward from the top surface of the insulating layer. ### Claim 4 (depends on 3) The display apparatus of claim 3, wherein each of the light collecting patterns defines a pattern hole that passes through the insulating layer. ### Claim 5 (depends on 3) The display apparatus of claim 3, wherein an angle formed between the inclined surface and a bottom surface of the insulating layer is about 30 degrees to about 70 degrees. ### Claim 6 (depends on 3) The display apparatus of claim 3, wherein the inclined surface comprises: a first inclined surface having a first angle with respect to a bottom surface of the insulating layer; and a second inclined surface connected to the first inclined surface and having a second angle with respect to the bottom surface of the insulating layer, and wherein the first angle is less than the second angle. ### Claim 7 (depends on 3) The display apparatus of claim 3, wherein the inclined surface comprises a curved surface. ### Claim 8 (depends on 1) The display apparatus of claim 1, wherein the insulating layer comprises an organic material. ### Claim 9 (depends on 1) The display apparatus of claim 1, wherein: the first conductive pattern comprises first connection patterns; and the second conductive pattern comprises: first sensing patterns connected to each other by the first connection patterns; second sensing patterns insulated from the first sensing patterns; and second connection patterns configured to connect the second sensing patterns to each other. ### Claim 10 (depends on 9) The display apparatus of claim 9, wherein the first sensing patterns are arranged in a first direction in a plan view, and the second sensing patterns are arranged in a second direction crossing the first direction in the plan view, wherein the first connection patterns and the first sensing patterns are connected to each other to define one first sensing electrode, and the second connection patterns and the second sensing patterns are connected to each other to define one second sensing electrode, and wherein the first sensing electrode is provided in a plurality and arranged along the second direction, and the second sensing electrode is provided in a plurality and arranged along the first direction. ### Claim 11 (depends on 10) The display apparatus of claim 10, wherein the input sensing layer further comprises a light blocking layer between the display layer and the insulating layer, wherein the light blocking layer overlaps with the non-light emitting area in a plan view, and wherein the first conductive pattern is located above the light blocking layer. ### Claim 12 (depends on 11) The display apparatus of claim 11, wherein a top surface and a side surface of the light blocking layer are covered by the insulating layer. ### Claim 13 (depends on 11) The display apparatus of claim 11, wherein a spaced distance between the light blocking layer and each of the light emitting areas is about 3 μm. ### Claim 14 (depends on 11) The display apparatus of claim 11, wherein the input sensing layer further comprises a cover layer between the light blocking layer and the first conductive pattern to space the light blocking layer and the first conductive pattern from each other, and wherein the cover layer comprises an inorganic material. ### Claim 15 (depends on 11) The display apparatus of claim 11, wherein the insulating layer comprises: a first section outside the light blocking layer to cover a side surface of the light blocking layer, the first section comprising an organic material; and a second section above the light blocking layer and the first conductive pattern to cover a top surface of the light blocking layer and a top surface of the first conductive pattern, the second section comprising an inorganic material. ### Claim 16 (depends on 15) The display apparatus of claim 15, wherein a side surface of the first section comprises an inclined surface. ### Claim 17 (depends on 15) The display apparatus of claim 15, wherein a maximum height of the first section is greater than a maximum height of the second section, and the first section covers a side surface and a portion of a top surface of the second section. ### Claim 18 (depends on 9) The display apparatus of claim 9, wherein a plurality of openings are defined in the second conductive pattern, the plurality of openings overlapping with the plurality of light emitting areas in a one-to-one correspondence. ### Claim 19 (depends on 1) The display apparatus of claim 1, wherein each of the organic light emitting elements comprises: a first electrode connected to a thin film transistor; a light emitting layer above the first electrode to overlap with one of the light emitting areas; and a second electrode configured to cover the light emitting layer. ### Claim 20 A display apparatus comprising: a display layer comprising a plurality of organic light emitting elements and an encapsulation layer covering the plurality of organic light emitting elements, and defining a plurality of light emitting areas; and an input sensing layer on the display layer, wherein the input sensing layer comprises: a first conductive pattern on the encapsulation layer; an insulating layer on the first conductive pattern to cover the first conductive pattern; a second conductive pattern on the insulating layer; and an overcoat layer on the second conductive pattern to cover the insulating layer and the second conductive pattern, and cover a portion of the encapsulation layer through a plurality of pattern holes, and wherein the plurality of pattern holes overlapping with the light emitting areas in a one-to-one correspondence are defined in the insulating layer, the plurality of pattern holes comprising an inner side surface that is inclined.