# US 11,908,869 B2 · Display device comprising a light shielding layer > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,908,869 B2 - Document ID: US11908869B2 - Status: Granted - Kind: B2 - Application number: 18/153,397 - Filed: 2023-01-12 - Published: 2023-05-18 - Granted: 2024-02-20 - Earliest claimed: 2018-03-23 - Assignees: Innolux Corporation - Applicants: InnoLux Corporation - Inventors: Chandra Lius; Kuan-Feng Lee - Web page: https://patentgrep.com/patent/US11908869B2 ## CPC - H10D 86/40: characterised by multiple TFTs - H10D 86/441: {Interconnections, e.g. scanning lines} - G02F 1/13338: {Input devices, e.g. touch panels} - G02F 1/133512: {Light shielding layers, e.g. black matrix (G02F1/136209 takes precedence)} - G02F 1/133553: {Reflecting elements (associated to illuminating devices G02F1/133605)} - G02F 1/1362: Active matrix addressed cells {(G02F1/134336, G02F1/134363 take precedence)} - G02F 1/1368: in which the switching element is a three-electrode device {(G02F1/136277 takes precedence)} - G06F 3/0412: {Digitisers structurally integrated in a display} - G06F 3/0421: {by interrupting or reflecting a light beam, e.g. optical touch-screen} - H10D 86/471: {having different architectures, e.g. having both top-gate and bottom-gate TFTs} - H10D 86/60: wherein the TFTs are in active matrices - G02F 1/13312: {Circuits comprising photodetectors for purposes other than feedback} - G02F 2201/121: common or background - G02F 2201/123: pixel - H10D: INORGANIC ELECTRIC SEMICONDUCTOR DEVICES - G02F: OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) ## Abstract An electronic device is disclosed, which includes: a substrate; a first metal layer, disposed on the substrate and having a first hole; a second metal layer, disposed on the substrate and having a second hole; a light detecting element for detecting a light passing through the first hole and the second hole; a transistor, disposed on the substrate; and a light shielding layer, disposed between the substrate and the transistor. ## Claims ### Claim 1 An electronic device, comprising: a substrate; a first metal layer, disposed on the substrate and having a first hole; a second metal layer, disposed on the substrate and having a second hole; a light detecting element for detecting a light passing through the first hole and the second hole; a first pixel electrode layer, disposed on the second metal layer; a second pixel electrode layer, disposed on the first pixel electrode layer; a light emitting layer, disposed between the first pixel electrode layer and the second pixel electrode layer; a transistor, disposed on the substrate; and a light shielding layer, disposed between the substrate and the transistor. ### Claim 2 (depends on 1) The electronic device of claim 1, wherein the transistor comprises a semiconductor portion, and the semiconductor portion overlaps the light shielding layer in a normal direction of the substrate. ### Claim 3 (depends on 1) The electronic device of claim 1, wherein a material of the light shielding layer comprises metal. ### Claim 4 (depends on 1) The electronic device of claim 1, wherein a material of the light shielding layer comprises black resin. ### Claim 5 (depends on 1) The electronic device of claim 1, wherein the first hole and the second hole are overlapped in a normal direction of the substrate. ### Claim 6 (depends on 1) The electronic device of claim 1, wherein the first hole has a first width, the second hole has a second width, and the first width is equal to the second width. ### Claim 7 (depends on 1) The electronic device of claim 1, wherein the light emitting layer comprise an organic light emitting material. ### Claim 8 (depends on 1) The electronic device of claim 1, wherein the first hole and the second hole are overlapped with the light detecting element in a normal direction of the substrate. ### Claim 9 (depends on 1) The electronic device of claim 1, wherein the first hole is an enclosed hole. ### Claim 10 (depends on 9) The electronic device of claim 9, wherein the second hole is an enclosed hole. ### Claim 11 An electronic device, comprising: a substrate; a first metal layer, disposed on the substrate and having a first hole; a second metal layer, disposed on the substrate and having a second hole, wherein the first metal layer is disposed between the substrate and the second metal layer; and a light detecting element for detecting a light passing through the first hole and the second hole, wherein the first hole has a first width, the second hole has a second width, and the second width is different from the first width, wherein the first hole and the second hole are at least partially overlapped with the light detecting element in a normal direction of the substrate respectively. ### Claim 12 (depends on 11) The electronic device of claim 11, further comprising a pixel electrode layer disposed on the substrate. ### Claim 13 (depends on 12) The electronic device of claim 12, wherein the light detecting element is disposed between the substrate and the pixel electrode layer. ### Claim 14 (depends on 11) The electronic device of claim 11, wherein the first width is greater than the second width. ### Claim 15 (depends on 11) The electronic device of claim 11, wherein the first hole is an enclosed hole. ### Claim 16 (depends on 15) The electronic device of claim 15, wherein the second hole is an enclosed hole.