# US 2023/0056074 A1 · Display module and electronic device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2023/0056074 A1 - Document ID: US20230056074A1 - Status: Published application - Kind: A1 - Application number: 17/981,801 - Filed: 2022-11-07 - Published: 2023-02-23 - Earliest claimed: 2022-06-27 - Assignees: Wuhan Tianma Microelectronics Co., Ltd. - Applicants: Wuhan Tianma Microelectronics Co., Ltd. - Inventors: Qin YUE; Yangzhao MA - Web page: https://patentgrep.com/patent/US20230056074A1 ## CPC - H10K 59/126: Shielding, e.g. light-blocking means over the TFTs - H10K 59/60: OLEDs integrated with inorganic light-sensitive elements, e.g. with inorganic solar cells or inorganic photodiodes - H10K 39/34: integrated with organic light-emitting diodes [OLED] - H10K 50/865: {comprising light absorbing layers, e.g. light-blocking layers} - H10K 59/38: comprising colour filters or colour changing media [CCM] - H10K 59/65: OLEDs integrated with inorganic image sensors - H10K 59/875: {Arrangements for extracting light from the devices} - H10K 59/8792: {comprising light absorbing layers, e.g. black layers} - H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES ## Abstract Disclosed are a display module and an electronic device. The display module includes a photosensitive region and a non-photosensitive region located on at least one side of the photosensitive region. The display module further includes a light-emitting element located in the photosensitive region and the non-photosensitive region, a light-shielding layer located at the photosensitive region and the non-photosensitive region and at a light-exiting side of the light-emitting element, and a light-guiding layer at least located at the photosensitive region and at a side of the light-emitting element facing away from the light-shielding layer. The light-guiding layer includes light-guiding openings, the light-shielding layer includes first light-shielding openings located in the photosensitive region and second light-shielding openings located in the non-photosensitive region, and the first light-shielding openings at least partially overlap the light-guiding openings along a thickness direction of the display module. ## Claims ### Claim 1 A display module, comprising a photosensitive region and a non-photosensitive region located on at least one side of the photosensitive region; wherein the display module further comprises: a light-emitting element, which is located in the photosensitive region and the non-photosensitive region; a light-shielding layer, which is located at the photosensitive region and the non-photosensitive region, and is located at a light-exiting side of the light-emitting element; and a light-guiding layer, which is at least located at the photosensitive region and is located at a side of the light-emitting element facing away from the light-shielding layer; and wherein the light-guiding layer comprises a plurality of light-guiding openings, the light-shielding layer comprises a plurality of first light-shielding openings and a plurality of second light-shielding openings, the plurality of first light-shielding openings are located in the photosensitive region, the plurality of second light-shielding openings are located in the non-photosensitive region, and the plurality of first light-shielding openings at least partially overlap the plurality of light-guiding openings along a thickness direction of the display module. ### Claim 2 (depends on 1) The display module of claim 1, wherein the plurality of light-guiding openings are arranged in an array; the plurality of first light-shielding openings are arranged in an array, the plurality of second light-shielding openings are arranged in an array, and a distribution density of the plurality of first light-shielding openings is same as a distribution density of the plurality of second light-shielding openings. ### Claim 3 (depends on 1) The display module of claim 1, wherein a sum of opening areas of second light-shielding openings per unit area of the plurality of second light-shielding openings gradually decreases along a direction in which the photosensitive region is directed toward the non-photosensitive region. ### Claim 4 (depends on 3) The display module of claim 3, wherein a distribution density of the plurality of second light-shielding openings gradually decreases along the direction in which the photosensitive region is directed toward the non-photosensitive region. ### Claim 5 (depends on 3) The display module of claim 3, wherein an opening area of a second light-shielding opening of the plurality of second light-shielding openings gradually decreases along the direction in which the photosensitive region is directed toward the non-photosensitive region. ### Claim 6 (depends on 1) The display module of claim 1, wherein the plurality of light-guiding openings comprises first light-guiding openings and second light-guiding openings, a first light-guiding opening of the first light-guiding openings comprises a first opening center, and a second light-guiding opening of the second light-guiding opening comprises a second opening center; the plurality of first light-shielding openings comprise first light-shielding sub-openings and second light-shielding sub-openings, a first light-shielding sub-opening of the first light-shielding sub-opening comprises a third opening center, a second light-shielding sub-opening of the second light-shielding sub-opening comprises a fourth opening center, the first light-shielding sub-opening at least partially overlaps a respective first light-guiding opening along the thickness direction of the display module, and the second light-shielding sub-opening at least partially overlaps a respective second light-guiding opening along the thickness direction of the display module; and the first opening center and a respective third opening center have a first relative positional relationship, the second opening center and a respective fourth opening center have a second relative positional relationship, and the first relative positional relationship is different from the second relative positional relationship. ### Claim 7 (depends on 1) The display module of claim 1, wherein the plurality of light-guiding openings comprises third light-guiding openings and fourth light-guiding openings; the plurality of first light-shielding openings comprise third light-shielding sub-openings and fourth light-shielding sub-openings, a third light-shielding sub-opening of the third light-shielding sub-openings at least partially overlaps a respective third light-guiding opening along the thickness direction of the display module, and a fourth light-shielding sub-opening of the fourth light-shielding sub-openings at least partially overlaps a respective fourth light-guiding opening along the thickness direction of the display module; and an opening area of the third light-shielding sub-opening is different from that of the fourth light-shielding sub-opening. ### Claim 8 (depends on 1) The display module of claim 1, wherein the plurality of light-guiding openings are arranged in an array. ### Claim 9 (depends on 1) The display module of claim 1, further comprising: a reflection adjustment unit, wherein a first light-shielding opening of the plurality of first light-shielding openings is filled with the reflection adjustment unit and a second light-shielding opening of the plurality of second light-shielding openings is filled with the reflection adjustment unit. ### Claim 10 (depends on 9) The display module of claim 9, further comprising a color-filtering layer located at the light-exiting side of the light-emitting element, wherein the reflection adjustment unit is also served as the color-filtering layer. ### Claim 11 (depends on 10) The display module of claim 10, wherein the color-filtering layer comprises a green color-filtering layer; and a first light-shielding opening of the plurality of first light-shielding openings is filled with the green color-filtering layer. ### Claim 12 (depends on 10) The display module of claim 10, wherein the color-filtering layer comprises a red color-filtering layer; and a second light-shielding opening of the plurality of second light-shielding openings is filled with the red color-filtering layer. ### Claim 13 (depends on 1) The display module of claim 1, further comprising: a display panel and a photosensitive layer, wherein the photosensitive layer is disposed at a non-light-exiting side of the display panel, and the light-guiding layer is disposed between the photosensitive layer and the display panel; or the photosensitive layer is disposed at a non-light-exiting side of the display panel, and the light-guiding layer is disposed in the display panel; or the photosensitive layer and the light-guiding layer are both disposed in the display panel. ### Claim 14 (depends on 13) The display module of claim 13, wherein in a case that the light-guiding layer is disposed in the display panel; the display panel comprises a substrate and a first metal layer, a second metal layer, a capacitance plate layer, a third metal layer and a fourth metal layer which are sequentially located at a same side of the substrate; and the first metal layer, the second metal layer, the capacitance plate layer, the third metal layer, or the fourth metal layer is also served as the light-guiding layer. ### Claim 15 (depends on 1) The display module of claim 1, wherein a first light-shielding opening of the plurality of first light-shielding openings covers a respective light-guiding opening the plurality of light-guiding openings along the thickness direction of the display module. ### Claim 16 An electronic device, comprising a display module, wherein the display module comprises: a photosensitive region and a non-photosensitive region located on at least one side of the photosensitive region; wherein the display module further comprises: a light-emitting element, which is located in the photosensitive region and the non-photosensitive region; a light-shielding layer, which is located at the photosensitive region and the non-photosensitive region, and is located at a light-exiting side of the light-emitting element; and a light-guiding layer, which is at least located at the photosensitive region and is located at a side of the light-emitting element facing away from the light-shielding layer; and wherein the light-guiding layer comprises a plurality of light-guiding openings, the light-shielding layer comprises a plurality of first light-shielding openings and a plurality of second light-shielding openings, the plurality of first light-shielding openings are located in the photosensitive region, the plurality of second light-shielding openings are located in the non-photosensitive region, and the plurality of first light-shielding openings at least partially overlap the plurality of light-guiding openings along a thickness direction of the display module. ### Claim 17 (depends on 16) The electronic device of claim 16, wherein the plurality of light-guiding openings are arranged in an array; the plurality of first light-shielding openings are arranged in an array, the plurality of second light-shielding openings are arranged in an array, and a distribution density of the plurality of first light-shielding openings is same as a distribution density of the plurality of second light-shielding openings. ### Claim 18 (depends on 16) The electronic device of claim 16, wherein a sum of opening areas of second light-shielding openings per unit area of the plurality of second light-shielding openings gradually decreases along a direction in which the photosensitive region is directed toward the non-photosensitive region. ### Claim 19 (depends on 18) The electronic device of claim 18, wherein a distribution density of the plurality of second light-shielding openings gradually decreases along the direction in which the photosensitive region is directed toward the non-photosensitive region. ### Claim 20 (depends on 18) The electronic device of claim 18, wherein an opening area of a second light-shielding opening of the plurality of second light-shielding openings gradually decreases along the direction in which the photosensitive region is directed toward the non-photosensitive region.