# US 11,308,730 B2 · Display device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,308,730 B2 - Document ID: US11308730B2 - Status: Granted - Kind: B2 - Application number: 17/136,497 - Filed: 2020-12-29 - Published: 2021-09-23 - Granted: 2022-04-19 - Earliest claimed: 2020-03-20 - Assignees: Samsung Display Co., Ltd. - Applicants: Samsung Display Co., Ltd. - Inventors: Ji-Hun Ryu; Ilnam Kim; Jae-Kyoung Kim; Jongin Baek; Eunjin Sung; Seongryong Lee; Jonghyun Lee - Web page: https://patentgrep.com/patent/US11308730B2 ## CPC - G06F 3/0412: {Digitisers structurally integrated in a display} - G06F 3/0445: {using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer} - G06V 10/17: {using hand-held instruments} - G06V 40/1318: {using electro-optical elements or layers, e.g. electroluminescent sensing} - G06V 40/1324: {by using geometrical optics, e.g. using prisms (G06V40/1312 takes precedence)} - H04M 1/0268: {including a flexible display panel} - H10K 59/126: Shielding, e.g. light-blocking means over the TFTs - H10K 59/40: OLEDs integrated with touch screens - G06F 1/1641: {the display being formed by a plurality of foldable display components (G06F1/1647 takes precedence)} - G06F 2203/04102: Flexible digitiser, i.e. constructional details for allowing the whole digitising part of a device to be flexed or rolled like a sheet of paper - G06F 2203/04107: Shielding in digitiser, i.e. guard or shielding arrangements, mostly for capacitive touchscreens, e.g. driven shields, driven grounds - H10K 2102/311: {Flexible OLED} - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - G06V: IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING - H04M: TELEPHONIC COMMUNICATION (circuits for controlling other apparatus via a telephone cable and not involving telephone switching apparatus G08) - H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES ## Abstract Provided is a display device including a display panel defining a folding area and a non-folding area and including a base layer, a circuit layer on the base layer, and a display element layer on the circuit layer, an input sensor below the display panel and defining a sensing area overlapping the non-folding area, and a light shielding layer between the display element layer and the input sensor, where the light shielding layer defines a plurality of holes in a first portion of the light shielding layer at the non-folding area, and a cut portion in a second portion of the light shielding layer at the folding area. ## Claims ### Claim 1 A display device comprising: a display panel defining a folding area and a non-folding area and comprising a base layer, a circuit layer on the base layer, and a display element layer on the circuit layer; an input sensor below the display panel and defining a sensing area overlapping the non-folding area in a plan view; and a light shielding layer between the display element layer and the input sensor in a view perpendicular to the plan view, wherein the light shielding layer defines a plurality of holes in a first portion of the light shielding layer at the non-folding area, and a cut portion extending in a direction in a second portion of the light shielding layer at the folding area. ### Claim 2 (depends on 1) The display device of claim 1, wherein the circuit layer comprises a semiconductor pattern on the base layer, an insulation layer covering the semiconductor pattern, and a conductive layer on the insulation layer, and wherein the cut portion does not overlap the semiconductor pattern in the plan view. ### Claim 3 (depends on 2) The display device of claim 2, wherein the cut portion overlaps the conductive layer in the plan view. ### Claim 4 (depends on 1) The display device of claim 1, wherein the light shielding layer is configured to receive a voltage. ### Claim 5 (depends on 1) The display device of claim 1, wherein the light shielding layer is electrically connected to the circuit layer. ### Claim 6 (depends on 1) The display device of claim 1, wherein the folding area and the non-folding area are adjacent to each other in a first direction, and the cut portion extends in a second direction crossing the first direction. ### Claim 7 (depends on 6) The display device of claim 6, wherein the cut portion defines a plurality of primary slits, and the plurality of primary slits are spaced apart from each other in the first direction. ### Claim 8 (depends on 7) The display device of claim 7, wherein the light shielding layer has a width in the second direction, and wherein the width of the light shielding layer is greater than a length of each of the plurality of primary slits in the second direction. ### Claim 9 (depends on 7) The display device of claim 7, wherein the cut portion further comprises a secondary slit configured to connect at least two of the plurality of primary slits with each other. ### Claim 10 (depends on 9) The display device of claim 9, wherein the display panel defines a display area configured to display an image and a non-display area adjacent to the display area, and the secondary slit is in the non-display area. ### Claim 11 (depends on 1) The display device of claim 1, wherein the input sensor overlaps the folding area and the non-folding area in the plan view, and the input sensor defines a non-sensing area, and the non-sensing area overlaps the folding area in the plan view. ### Claim 12 (depends on 1) The display device of claim 1, wherein the input sensor does not overlap the folding area of the display panel in the plan view. ### Claim 13 (depends on 1) The display device of claim 1, wherein the input sensor comprises a plurality of sensing elements in the sensing area, and the plurality of sensing elements are configured to sense light passing through the plurality of holes. ### Claim 14 (depends on 1) The display device of claim 1, wherein the cut portion has a depth equal to a thickness of the light shielding layer. ### Claim 15 (depends on 1) The display device of claim 1, wherein the cut portion has a depth less than a thickness of the light shielding layer. ### Claim 16 (depends on 1) The display device of claim 1, wherein each of the plurality of holes has an area different from that of the cut portion in the plan view. ### Claim 17 (depends on 1) The display device of claim 1, wherein the light shielding layer is between the base layer and the circuit layer, and the light shielding layer is contained in the display panel. ### Claim 18 A display device comprising: an input sensor; a base layer on the input sensor; a circuit layer on the base layer and comprising a semiconductor pattern; a display element layer on the circuit layer; and a light shielding layer between the input sensor and the display element layer in a view perpendicular to a plan view; and wherein the light shielding layer defines a plurality of holes and a cut portion spaced apart from the semiconductor pattern in the plan view. ### Claim 19 (depends on 18) The display device of claim 18, wherein the circuit layer further comprises a conductive layer on the semiconductor pattern, and the cut portion and the conductive layer overlap each other in the plan view. ### Claim 20 (depends on 18) The display device of claim 18, wherein the light shielding layer is between the base layer and the circuit layer. ### Claim 21 A display device comprising: a base layer in which a first non-folding area, a folding area, and a second non-folding area are sequentially defined in a first direction; a circuit layer on the base layer and comprising a semiconductor pattern, an insulation layer, and a conductive layer; a display element layer on the circuit layer; and a light shielding layer defining a cut portion extending in a second direction crossing the first direction in an area overlapping the folding area in a plan view, and defining a plurality of holes in an area overlapping the first non-folding area and the second non-folding area in the plan view; and an input sensor below the base layer, wherein the input sensor is in an area overlapping at least one of the first non-folding area or the second non-folding area in the plan view. ### Claim 22 (depends on 21) The display device of claim 21, wherein the cut portion does not overlap the semiconductor pattern in the plan view, and the cut portion overlaps the conductive layer in the plan view. ### Claim 23 (depends on 21) The display device of claim 21, wherein the light shielding layer is between the base layer and the circuit layer.