# US 2025/0098407 A1 · Organic light-emitting display panel and display apparatus > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2025/0098407 A1 - Document ID: US20250098407A1 - Status: Published application - Kind: A1 - Application number: 18/968,196 - Filed: 2024-12-04 - Published: 2025-03-20 - Earliest claimed: 2020-06-04 - Assignees: Wuhan Tianma Microelectronics Co., Ltd.; Wuhan Tianma Microelectronics Co., Ltd. Shanghai Branch - Applicants: Wuhan Tianma Microelectronics Co., Ltd.; Wuhan Tianma Microelectronics Co., Ltd. Shanghai Branch - Inventors: Guofeng ZHANG; Quanpeng YU - Web page: https://patentgrep.com/patent/US20250098407A1 ## CPC - G06F 3/0412: {Digitisers structurally integrated in a display} - G06F 1/1652: {the display being flexible, e.g. mimicking a sheet of paper, or rollable} - G09F 9/301: {flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED} - H04M 1/0264: {for a camera module assembly} - H10K 59/12: Active-matrix OLED [AMOLED] displays - H10K 59/131: Interconnections, e.g. wiring lines or terminals - H10K 59/40: OLEDs integrated with touch screens - H10K 59/879: {comprising refractive means, e.g. lenses} - G06F 3/04164: {Connections between sensors and controllers, e.g. routing lines between electrodes and connection pads} - G06F 3/0443: {using a single layer of sensing electrodes} - H10K 59/38: comprising colour filters or colour changing media [CCM] - H10K 59/873: {Encapsulations} - H10K 2102/351: {Thickness} - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - G09F: DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS - 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 an organic light-emitting display panel, including: a thin film transistor layer provided in a display area; an organic light-emitting layer provided in the display area and including light-emitting pixels; a microlens array layer provided in the display area and including microlenses corresponding to the light-emitting pixels; a refractive index matching layer provided in the display area; and a filling layer provided in the non-display area. The refractive index matching layer and the microlens array layer have different refractive indexes. Each microlens includes a first surface that is in contact with the refractive index matching layer. The first surface is a curved surface protruding towards one of the microlens array layer and the refractive index matching layer, which has a smaller refractive index. A material of the filling layer is same as at least one of materials of the microlens array layer and the refractive index matching layer. ## Claims ### Claim 1 An organic light-emitting display panel having a display area and a non-display area, and the organic light-emitting display panel comprising: a thin film transistor layer; an organic light-emitting layer located at a side of the thin film transistor layer close to a light-exiting surface of the organic light-emitting display panel and comprising a plurality of light-emitting pixels; a microlens array layer located at a side of the organic light-emitting layer close to the light-exiting surface of the organic light-emitting display panel; a refractive index matching layer located at a side of the microlens array layer close to the light-exiting surface of the organic light-emitting display panel; and at least one filling layer provided in the non-display area, wherein the microlens array layer comprises a plurality of second lens structures, the plurality of second lens structures protrude towards a second direction that is a direction from the thin film transistor layer to the refractive index matching layer; and wherein a material of the at least one filling layer is the same as at least one of a material of the microlens array layer or a material of the refractive index matching layer. ### Claim 2 (depends on 1) The organic light-emitting display panel according to claim 1, wherein in the second direction, the second lens structure is at least partially non-overlapping with the light emitting pixel. ### Claim 3 (depends on 1) The organic light-emitting display panel according to claim 1, wherein the thin film transistor layer comprises at least one inorganic layer extending from the display area to the non-display area, and the at least one filling layer is arranged at a side of the at least one inorganic layer close to the light-exiting surface of the organic light-emitting display panel; a barrier wall is provided in the non-display area; and in the non-display area, one inorganic layer of the at least one inorganic layer comprises a second hole formed at a side of the barrier wall facing away from the display area. ### Claim 4 (depends on 3) The organic light-emitting display panel according to claim 3, wherein the at least one filling layer extends to a second position of the non-display area; and a distance between the second hole and the display area is smaller than a distance between the second position and the display area. ### Claim 5 (depends on 3) The organic light-emitting display panel according to claim 3, further comprising an encapsulation layer, wherein the encapsulation layer is arranged between the organic light-emitting layer and the microlens array layer, and the encapsulation layer comprises a first inorganic layer, a first organic layer and a second inorganic layer that are stack along the first direction; and at least one of the first inorganic layer or the second inorganic layer extends from the display area to an area located between the second hole and the barrier wall. ### Claim 6 (depends on 5) The organic light-emitting display panel according to claim 5, wherein at least one of the first inorganic layer or the second inorganic layer extends to a first position of the non-display area, the at least one filling layer extends to a second position of the non-display area, and a distance from the first position to the display area is shorter than a distance from the second position to the display area. ### Claim 7 (depends on 1) The organic light-emitting display panel according to claim 1, wherein the at least one filling layer comprises a first filling layer and a second filling layer that are stacked along the second direction, a material of the first filling layer is the same as the material of the microlens array layer, and a material of the second filling layer is the same as the material of the refractive index matching layer. ### Claim 8 (depends on 7) The organic light-emitting display panel according to claim 7, wherein an orthographic projection of the microlens array layer on the light-exiting surface of the organic light-emitting display panel is border on an orthographic projection of the first filling layer on the light-exiting surface of the organic light-emitting display panel. ### Claim 9 (depends on 7) The organic light-emitting display panel according to claim 7, an orthographic projection of the refractive index matching layer on the light-exiting surface of the organic light-emitting display panel is border on an orthographic projection of the second filling layer on the light-exiting surface of the organic light-emitting display panel. ### Claim 10 (depends on 7) The organic light-emitting display panel according to claim 7, wherein a contact surface between the first filling layers and second filling layers is uneven. ### Claim 11 (depends on 7) The organic light-emitting display panel according to claim 7, wherein the first filling layer comprises at least one first hole filled with the refractive index matching layer. ### Claim 12 (depends on 7) The organic light-emitting display panel according to claim 7, wherein the first filling layer and the micro-lens array layer are formed by a same process, and the second filling layer and the refractive index matching layer are formed by a same process. ### Claim 13 (depends on 3) The organic light-emitting display panel according to claim 3, wherein the non-display area comprises a third filling structure, the second hole is filled with the third filling structure; and at least one of the first inorganic layer or the second inorganic layer extends to the non-display and partially covers the third filling structure. ### Claim 14 (depends on 13) The organic light-emitting display panel according to claim 13, further comprising a planarization layer, wherein the third filling structure and the planarization layer are made of a same material. ### Claim 15 (depends on 1) The organic light-emitting display panel according to claim 1, further comprising a touch layer, wherein the touch layer comprises a touch electrode and a touch wire electrically connected to the touch electrode, and the touch wire extends from the display area to the non-display area. ### Claim 16 (depends on 1) The organic light-emitting display panel according to claim 1, further comprising a color resistance layer, wherein the color resistance layer comprises a color resistance and a black matrix, the color resistance layer is located on one side, close to the light-emitting surface of the organic light-emitting display panel, of the refractive index matching layer, and the black matrix extends from the display area to the non-display area. ### Claim 17 (depends on 1) The organic light-emitting display panel according to claim 1, wherein the refractive index matching layer comprises a plurality of first lens structures corresponding to the plurality of light-emitting pixels, and the plurality of first lens structures protrude towards a first direction that is a direction from the refractive index matching layer to the thin film transistor layer. ### Claim 18 (depends on 1) The organic light-emitting display panel according to claim 1, wherein in the first direction, the first lens structure at least partially overlaps the light emitting pixel. ### Claim 19 (depends on 1) The organic light-emitting display panel according to claim 1, wherein the refractive index matching layer has a refractive index greater than a refractive index of the microlens array layer. ### Claim 20 A display apparatus, comprising an organic light-emitting display panel, wherein the organic light-emitting display panel has a display area and a non-display area, and the organic light-emitting display panel comprises: a thin film transistor layer; an organic light-emitting layer located at a side of the thin film transistor layer close to a light-exiting surface of the organic light-emitting display panel and comprising a plurality of light-emitting pixels; a microlens array layer located at a side of the organic light-emitting layer close to the light-exiting surface of the organic light-emitting display panel; a refractive index matching layer located at a side of the microlens array layer close to the light-exiting surface of the organic light-emitting display panel; and at least one filling layer provided in the non-display area, wherein the microlens array layer comprises a plurality of second lens structures, the plurality of second lens structures protrude towards a second direction that is a direction from the thin film transistor layer to the refractive index matching layer; and wherein a material of the at least one filling layer is the same as at least one of a material of the microlens array layer or a material of the refractive index matching layer.