# US 11,112,644 B2 · Display screen and display device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,112,644 B2 - Document ID: US11112644B2 - Status: Granted - Kind: B2 - Application number: 16/745,304 - Filed: 2020-01-16 - Published: 2020-05-14 - Granted: 2021-09-07 - Earliest claimed: 2017-06-30 - Assignees: Xiamen Tianma Micro-Electronics Co., Ltd. - Applicants: Xiamen Tianma Micro-Electronics Co., Ltd. - Inventors: Hongbo Zhou; Qiaohua Zheng; Yuping Ma - Web page: https://patentgrep.com/patent/US11112644B2 ## CPC - G02F 1/133528: {Polarisers} - G02F 1/13338: {Input devices, e.g. touch panels} - G02F 1/133514: {Colour filters} - G02F 1/1339: Gaskets; Spacers; Sealing of cells - G02F 1/13454: {Drivers integrated on the active matrix substrate (G02F1/136277 takes precedence)} - G02F 1/136286: {Wiring, e.g. gate line, drain line} - G02F 1/133388: {with constructional differences between the display region and the peripheral region} - G02F 2201/58: Arrangements comprising a monitoring photodetector - G02F 2202/28: Adhesive materials or arrangements - 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 ## Abstract The present disclosure discloses a display screen and a display device, wherein the display screen comprises a display area and a non-display area; the display area comprises a first opening area, and the non-display area comprises a first non-display area and a second non-display area; the second non-display area is embedded in the first opening area; the first non-display area surrounds the display area and the second non-display area; the display screen comprises a front sensor, a first substrate and a second substrate; the first substrate covers the display area, the first non-display area and the second non-display area, and the second substrate covers the display area, the first non-display area and the second non-display area; the front sensor is arranged in the second non-display area; and the first substrate and the second substrate allow light to pass through at respective positions corresponding to the second non-display area. ## Claims ### Claim 1 A display screen, comprising: a display area and a non-display area, wherein the display area comprises: a first opening area, and the non-display area comprises: a first non-display area and a second non-display area; the second non-display area is embedded in the first opening area; the first non-display area surrounds the display area and the second non-display area; the display screen further comprises: a front sensor, a first substrate and a second substrate; the first substrate covers the display area, the first non-display area and the second non-display area, the second substrate covers the display area, the first non-display area and the second non-display area, and the front sensor is arranged in the second non-display area, wherein the first substrate and the second substrate allow light to pass through at respective positions corresponding to the second non-display area; and wherein at least one cavity is formed between the first substrate and the second substrate at a position corresponding to the second non-display area, and the at least one cavity does not penetrate through the first substrate and the second substrate; wherein the display screen further comprises a polarizer; the polarizer is arranged on a side of the second substrate away from the first substrate, and a through hole is formed in the polarizer at a position corresponding to the second non-display area; the first substrate is an array substrate; the display screen further comprises: packaging glass arranged on a side of the polarizer away from the second substrate, wherein packaging glass and the polarizer are adhered together by using a first optical adhesive; and the through hole is filled with a second optical adhesive contacting the second substrate and the first optical adhesive; wherein the second non-display area comprises a frame sealant area surrounding an inner edge of the second non-display area, and the first substrate and the second substrate are sealed together by using a frame sealant in the frame sealant area; and wherein the frame sealant area is provided with an opening on a side facing the display area, and the opening is configured for injecting liquid crystal into a space, corresponding to the second non-display area, between the first substrate and the second substrate. ### Claim 2 (depends on 1) The display screen according to claim 1, wherein the first non-display area is in communication with the second non-display area. ### Claim 3 (depends on 1) The display screen according to claim 1, wherein the second non-display area is in a shape of one of: a triangle, a rectangle, a polygon or a circle. ### Claim 4 (depends on 1) The display screen according to claim 1, wherein a space between the second non-display area of the first substrate and the second non-display area of the second substrate is filled with a transparent material. ### Claim 5 (depends on 1) The display screen according to claim 1, wherein the second non-display area comprises a frame sealant area arranged along an edge of the second non-display area adjacent to the first opening area, and the frame sealant area has an identical shape with the first opening area, and the first substrate and the second substrate are sealed together by using a frame sealant in the frame sealant area. ### Claim 6 (depends on 1) The display screen according to claim 1, wherein the second optical adhesive is identical to a material of the first optical adhesive. ### Claim 7 (depends on 6) The display screen according to claim 6, wherein the second optical adhesive is formed by solidifying a liquid optical adhesive material dripped in the through hole. ### Claim 8 (depends on 6) The display screen according to claim 6, wherein the second optical adhesive is formed from a semi-solid optical adhesive material and is adhesive on double sides. ### Claim 9 (depends on 6) The display screen according to claim 6, wherein the second optical adhesive and the first optical adhesive are bonded together through vacuum. ### Claim 10 (depends on 1) The display screen according to claim 1, wherein the second optical adhesive is a hard coating film and is coated with an optical adhesive on a side adjacent to the second substrate. ### Claim 11 (depends on 1) The display screen according to claim 1, further comprising packaging glass arranged on a side of the polarizer away from the second substrate, wherein packaging glass and the polarizer are adhered together by using the first optical adhesive; the first optical adhesive is formed with a through hole in the second non-display area; the through hole of the polarizer and the through hole of the first optical adhesive are filled with the second optical adhesive; and the second optical adhesive contacts the second substrate and the packaging glass. ### Claim 12 A display screen, comprising: a display area and a non-display area, wherein the display area comprises: a first opening area, and the non-display area comprises: a first non-display area and a second non-display area; the second non-display area is embedded in the first opening area; the first non-display area surrounds the display area and the second non-display area; the display screen further comprises: a front sensor, a first substrate and a second substrate; the first substrate covers the display area, the first non-display area and the second non-display area, the second substrate covers the display area, the first non-display area and the second non-display area, and the front sensor is arranged in the second non-display area, wherein the first substrate and the second substrate allow light to pass through at respective positions corresponding to the second non-display area; and wherein at least one cavity is formed between the first substrate and the second substrate at a position corresponding to the second non-display area, and the at least one cavity does not penetrate through the first substrate and the second substrate; wherein the display screen further comprises a polarizer; the polarizer is arranged on a side of the second substrate away from the first substrate, and a through hole is formed in the polarizer at a position corresponding to the second non-display area; the first substrate is an array substrate; the display screen further comprises: packaging glass arranged on a side of the polarizer away from the second substrate, wherein packaging glass and the polarizer are adhered together by using a first optical adhesive; and the through hole is filled with a second optical adhesive contacting the second substrate and the first optical adhesive; wherein the display screen further comprises: a first integrated circuit, wherein the display area has two pairs of opposite sides, and the first integrated circuit and the front sensor are arranged on a first one of the two pairs of opposite sides of the display area, respectively, wherein the first substrate comprises: a second integrated circuit and a plurality of scanning lines, and the second integrated circuit is arranged on at least one side of a second one of the two pairs of opposite sides of the display area, the second integrated circuit provides a scanning signal for the scanning lines; and a part of at least one of the scanning lines is in the second non-display area; wherein the second non-display area comprises a second non-display first sub-area and a second non-display second sub-area surrounding the second non-display first sub-area, and the second non-display first sub-area is a light-permeable area; and wherein an orthographic projection of the part of at least one of the scanning lines on a plane of the display screen is located within an orthographic projection of the second non-display first sub-area. ### Claim 13 (depends on 12) The display screen according to claim 12, wherein at least one of the plurality of the scanning lines in the second non-display area is a fold line. ### Claim 14 (depends on 12) The display screen according to claim 12, wherein the first non-display area is in communication with the second non-display area. ### Claim 15 (depends on 12) The display screen according to claim 12, wherein a space between the second non-display area of the first substrate and the second non-display area of the second substrate is filled with a transparent material. ### Claim 16 (depends on 12) The display screen according to claim 12, wherein the second non-display area comprises a frame sealant area arranged along an edge of the second non-display area adjacent to the first opening area, and the frame sealant area has an identical shape with the first opening area, and the first substrate and the second substrate are sealed together by using a frame sealant in the frame sealant area. ### Claim 17 (depends on 12) The display screen according to claim 12, wherein the second optical adhesive is identical to a material of the first optical adhesive, and the second optical adhesive and the first optical adhesive are bonded together through vacuum. ### Claim 18 (depends on 12) The display screen according to claim 12, further comprising packaging glass arranged on a side of the polarizer away from the second substrate, wherein packaging glass and the polarizer are adhered together by using the first optical adhesive; the first optical adhesive is formed with a through hole in the second non-display area; the through hole of the polarizer and the through hole of the first optical adhesive are filled with the second optical adhesive; and the second optical adhesive contacts the second substrate and the packaging glass. ### Claim 19 A display device, comprising: a display screen, wherein the display screen comprises a display area and a non-display area, the display area comprises: a first opening area, and the non-display area comprises: a first non-display area and a second non-display area; the second non-display area is embedded in the first opening area; the first non-display area surrounds the display area and the second non-display area; the display screen further comprises: a front sensor, a first substrate and a second substrate; the first substrate covers the display area, the first non-display area and the second non-display area, the second substrate covers the display area, the first non-display area and the second non-display area, and the front sensor is arranged in the second non-display area, wherein the first substrate and the second substrate allow light to pass through at respective positions corresponding to the second non-display area; and wherein at least one cavity is formed between the first substrate and the second substrate at a position corresponding to the second non-display area, and the at least one cavity does not penetrate through the first substrate and the second substrate; wherein the display screen further comprises a polarizer; the polarizer is arranged on a side of the second substrate away from the first substrate, and a through hole is formed in the polarizer at a position corresponding to the second non-display area; and the first substrate is an array substrate; the display screen further comprises: packaging glass arranged on a side of the polarizer away from the second substrate, wherein packaging glass and the polarizer are adhered together by using a first optical adhesive; and the through hole is filled with a second optical adhesive contacting the second substrate and the first optical adhesive; wherein the second non-display area comprises a frame sealant area surrounding an inner edge of the second non-display area, and the first substrate and the second substrate are sealed together by using a frame sealant in the frame sealant area; and wherein the frame sealant area is provided with an opening on a side facing the display area, and the opening is configured for injecting liquid crystal into a space, corresponding to the second non-display area, between the first substrate and the second substrate. ### Claim 20 (depends on 19) The display device according to claim 19, wherein a space of the at least one cavity is filled with a transparent material.