# US 11,444,113 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 11,444,113 B2 - Document ID: US11444113B2 - Status: Granted - Kind: B2 - Application number: 16/843,909 - Filed: 2020-04-09 - Published: 2021-05-06 - Granted: 2022-09-13 - Earliest claimed: 2019-10-30 - Assignees: Au Optronics Corporation - Applicants: Au Optronics Corporation - Inventors: Ming-Yao Chen; Jui-Chi Lo; Mao-Teng Ho - Web page: https://patentgrep.com/patent/US11444113B2 ## CPC - G02F 1/13312: {Circuits comprising photodetectors for purposes other than feedback} - G02F 1/133512: {Light shielding layers, e.g. black matrix (G02F1/136209 takes precedence)} - G02F 1/136209: {Light shielding layers, e.g. black matrix, incorporated in the active matrix substrate, e.g. structurally associated with the switching element} - G02F 1/1368: in which the switching element is a three-electrode device {(G02F1/136277 takes precedence)} - G06V 40/13: Sensors therefor - H10F 39/198: {Contact-type image sensors [CIS]} - H10F 39/8057: {Optical shielding} - G02F 2201/121: common or background - G02F 2201/123: pixel - H10K 59/126: Shielding, e.g. light-blocking means over the TFTs - H10K 59/65: OLEDs integrated with inorganic image sensors - 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 - G06V: IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING - H10F: INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION - H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES ## Abstract A display apparatus includes a first substrate, a plurality of pixel structures disposed on the first substrate, a light sensor disposed on the first substrate, an insulation layer disposed on the light sensor, a first light shielding pattern, a second substrate disposed opposite to the first substrate, a second light shielding pattern, and a display medium. Each pixel structure includes an active device and a pixel electrode electrically connected to the active device. The first light shielding pattern is disposed on the insulation layer and located above the light sensor. The second light shielding pattern is disposed on the second substrate and has an opening. The opening of the second light shielding pattern and the first light shielding pattern define at least one slit, and the at least one slit and the light sensor are partially overlapped. The display medium is disposed between the first substrate and the second substrate. ## Claims ### Claim 1 A display apparatus, comprising: a first substrate; a plurality of pixel structures, disposed on the first substrate, wherein each of the pixel structures comprises an active device and a pixel electrode electrically connected to the active device; a light sensor, disposed on the first substrate; an insulation layer, disposed on the light sensor; a first light shielding pattern, disposed on the insulation layer and located above the light sensor; a second substrate, disposed opposite to the first substrate; a second light shielding pattern, disposed on the second substrate and having an opening, wherein the opening of the second light shielding pattern and the first light shielding pattern define at least one slit, and the at least one slit and the light sensor are partially overlapped; a display medium, disposed between the first substrate and the second substrate; and a backlight module, wherein a light intensity distribution of the backlight module in a convergence direction has a minimum full width at half maximum, a long side of the at least one slit is arranged along a long side direction, an included angle α is between the long side direction and the convergence direction, and α<45°. ### Claim 2 (depends on 1) The display apparatus according to claim 1, wherein a distance x1 is between a long side of the first light shielding pattern and an edge of the opening of the second light shielding pattern in a first direction parallel to the first substrate, a distance z1 is between a surface of the second light shielding pattern facing the second substrate and a surface of the first light shielding pattern facing the second substrate in a second direction perpendicular to the first substrate, and the distance x1 and the distance z1 satisfy a formula: 15 ⁢ ° < tan - 1 ⁡ ( x ⁢ ⁢ 1 z ⁢ ⁢ 1 ) < 35 ⁢ ° . ### Claim 3 (depends on 1) The display apparatus according to claim 1, wherein a distance x2 is between a long side of the first light shielding pattern and an edge of a light sensing layer of the light sensor in a first direction parallel to the first substrate, a distance z2 is between a surface of the light sensing layer facing the first substrate and a surface of the first light shielding pattern facing the second substrate in a second direction perpendicular to the first substrate, and the distance x2 and the distance z2 satisfy a formula: 15 ⁢ ° < tan - 1 ⁡ ( x ⁢ ⁢ 2 z ⁢ ⁢ 2 ) < 35 ⁢ ° . ### Claim 4 (depends on 1) The display apparatus according to claim 1, wherein a long side of the at least one slit is arranged along a long side direction, two end portions of the first light shielding pattern are arranged in the long side direction, and the two end portions of the first light shielding pattern and a physical portion of the second light shielding pattern are overlapped. ### Claim 5 (depends on 1) The display apparatus according to claim 1, wherein the at least one slit comprises two opposite first slits separated by the first light shielding pattern. ### Claim 6 (depends on 5) The display apparatus according to claim 5, wherein the at least one slit further comprises a second slit located in the first light shielding patterns. ### Claim 7 (depends on 1) The display apparatus according to claim 1, wherein the first light shielding pattern and the pixel electrode of one of the pixel structures are overlapped. ### Claim 8 A display apparatus, comprising: a first substrate; a plurality of pixel structures, disposed on the first substrate, wherein each of the pixel structures comprises an active device and a pixel electrode electrically connected to the active device; a light sensor, disposed on the first substrate; an insulation layer, disposed on the light sensor; a first light shielding pattern, disposed on the insulation layer and located above the light sensor; a second substrate, disposed opposite to the first substrate; a second light shielding pattern, disposed on the second substrate and having an opening, wherein the opening of the second light shielding pattern and the first light shielding pattern define at least one slit, and the at least one slit and the light sensor are partially overlapped; and a display medium, disposed between the first substrate and the second substrate, wherein the at least one slit comprises two opposite first slits separated by the first light shielding pattern. ### Claim 9 (depends on 8) The display apparatus according to claim 8, wherein a long side of the at least one slit is arranged along a long side direction, two end portions of the first light shielding pattern are arranged in the long side direction, and the two end portions of the first light shielding pattern and a physical portion of the second light shielding pattern are overlapped. ### Claim 10 (depends on 8) The display apparatus according to claim 8, wherein the at least one slit further comprises a second slit located in the first light shielding patterns. ### Claim 11 (depends on 8) The display apparatus according to claim 8, wherein the first light shielding pattern and the pixel electrode of one of the pixel structures are overlapped. ### Claim 12 A display apparatus, comprising: a first substrate; a plurality of pixel structures, disposed on the first substrate, wherein each of the pixel structures comprises an active device and a pixel electrode electrically connected to the active device; a light sensor, disposed on the first substrate; an insulation layer, disposed on the light sensor; a first light shielding pattern, disposed on the insulation layer and located above the light sensor; a second substrate, disposed opposite to the first substrate; a second light shielding pattern, disposed on the second substrate and having an opening, wherein the opening of the second light shielding pattern and the first light shielding pattern define at least one slit, and the at least one slit and the light sensor are partially overlapped; and a display medium, disposed between the first substrate and the second substrate, wherein the first light shielding pattern and the pixel electrode of one of the pixel structures are overlapped. ### Claim 13 (depends on 12) The display apparatus according to claim 12, wherein a long side of the at least one slit is arranged along a long side direction, two end portions of the first light shielding pattern are arranged in the long side direction, and the two end portions of the first light shielding pattern and a physical portion of the second light shielding pattern are overlapped. ### Claim 14 (depends on 12) The display apparatus according to claim 12, wherein the at least one slit comprises two opposite first slits separated by the first light shielding pattern, and the at least one slit further comprises a second slit located in the first light shielding patterns.