# US 12,111,529 B2 · Splicing display panel and splicing display device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,111,529 B2 - Document ID: US12111529B2 - Status: Granted - Kind: B2 - Application number: 17/779,607 - Filed: 2022-05-18 - Published: 2024-05-16 - Granted: 2024-10-08 - Earliest claimed: 2022-04-21 - Assignees: Tcl China Star Optoelectronics Technology Co., Ltd. - Applicants: TCL China Star Optoelectronics Technology Co., Ltd. - Inventors: Lin Li; Bo Sun; Feng Zheng; Yichen Bai; Meng Chen - Web page: https://patentgrep.com/patent/US12111529B2 ## CPC - G02F 1/13336: {Combining plural substrates to produce large-area displays, e.g. tiled displays} - G02F 1/1336: {Illuminating devices} - G09G 3/3208: organic, e.g. using organic light-emitting diodes [OLED] - G09G 3/3406: {Control of illumination source (illumination devices structurally associated with liquid crystal cells G02F1/1336)} - H10K 59/95: wherein all light-emitting elements are organic, e.g. assembled OLED displays - H10W 90/00: Package configurations - G02F 1/1333: Constructional arrangements; {Manufacturing methods}(G02F1/135, G02F1/136 take precedence) - G02F 1/133512: {Light shielding layers, e.g. black matrix (G02F1/136209 takes precedence)} - G02F 1/133514: {Colour filters} - G02F 2201/44: Arrangements combining different electro-active layers, e.g. electrochromic, liquid crystal or electroluminescent layers - 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 - G09G: ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION (arrangements for transferring data between digital computers and displays G06F3/14; static indicating arrangements comprising an association of a number of separate sources or light control cells G09F9/00; static indicating arrangements comprising integral associations of a number of light sources H01J, H01K, H10H, H05B33/12; scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission, details thereof H04N1/00) - H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES - H10W: GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10 ## Abstract A splicing display panel and a splicing display device are provided. The splicing display panel includes at least two spliced first display modules and at least one second display module. There is a seam between two adjacent first display modules. A portion of the first display module corresponding to a bezel area is provided with an accommodating slot. The accommodating slot of one of the first display modules is spliced with the accommodating slot of another one of the first display modules to form an accommodating cavity. The at least one second display module is arranged in the accommodating cavity, and the second display module covers the seam. ## Claims ### Claim 1 A splicing display panel, comprising: at least two spliced first display modules, wherein there is a seam between two of the first display modules which are adjacent and spliced, each of the first display modules comprises a display area and a bezel area arranged outside the display area, a portion of the first display module corresponding to the bezel area is provided with an accommodating slot, an opening of the accommodating slot is arranged on a side of the bezel area close to the seam, and the opening of the accommodating slot is communicated with the seam; and in two adjacent first display modules, the accommodating slot of one of the first display modules is spliced with the accommodating slot of another one of the first display modules to form an accommodating cavity; and at least one second display module arranged in the accommodating cavity, wherein the second display module covers the seam; wherein each of the first display modules comprises a first substrate and a second substrate opposite to the first substrate, the first substrate comprises a first recess portion, the first recess portion is arranged on a side of the first substrate close to the second substrate, the second substrate comprises a second recess portion, the second recess portion is arranged on a side of the second substrate close to the first substrate, and the first recess portion and the second recess portion surround to form the accommodating slot; and wherein each of the first display modules further comprises a sealant, the sealant is disposed within the first recess portion and the second recess portion and is disposed on a side of the accommodating slot away from the at least one second display module, the sealant is separated from edges of the seam by a certain distance. ### Claim 2 (depends on 1) The splicing display panel according to claim 1, wherein the second display module comprises a driving substrate and a light-emitting diode (LED) chip disposed on the driving substrate, the driving substrate is arranged in the first recess portion and covers the seam, and the LED chip is disposed on a surface of the driving substrate away from the first recess portion. ### Claim 3 (depends on 2) The splicing display panel according to claim 2, wherein the driving substrate is a printed circuit board-based driving substrate. ### Claim 4 (depends on 1) The splicing display panel according to claim 1, wherein the first substrate comprises a base and a thin film transistor structure layer disposed on the base, and the first recess portion is formed on the base. ### Claim 5 (depends on 4) The splicing display panel according to claim 4, wherein the second substrate comprises: a substrate, wherein the second recess portion is formed on the substrate; a black matrix, wherein the black matrix is arranged on a surface of the substrate close to the first substrate, and the black matrix is disposed in the display area; and a plurality of color resist blocks arranged in the black matrix. ### Claim 6 (depends on 1) The splicing display panel according to claim 1, wherein the splicing display panel further comprises a liquid crystal layer, the liquid crystal layer is disposed between the first substrate and the second substrate, and the liquid crystal layer is disposed in the display area. ### Claim 7 (depends on 1) The splicing display panel according to claim 1, wherein the second display module comprises a driving substrate and an organic light-emitting diode (OLED) light-emitting functional layer, the driving substrate is disposed in the first recess portion and covers the seam, and the OLED light-emitting functional layer is disposed on a surface of the driving substrate away from a bottom surface of the first recess portion. ### Claim 8 (depends on 1) The splicing display panel according to claim 1, wherein a distance from a bottom of the first recess portion to a bottom of the second recess portion is equal to a thickness of the second display module. ### Claim 9 (depends on 1) The splicing display panel according to claim 1, wherein a width of the accommodating cavity is equal to a width of the second display module. ### Claim 10 (depends on 1) The splicing display panel according to claim 1, wherein a distance between two adjacent pixels of the first display module is equal to a distance between two adjacent pixels of the second display module. ### Claim 11 A splicing display device, comprising a splicing display panel and a backlight module, wherein the splicing display panel comprises: at least two spliced first display modules, wherein there is a seam between two of the first display modules which are adjacent and spliced, each of the first display modules comprises a display area and a bezel area arranged outside the display area, a portion of the first display module corresponding to the bezel area is provided with an accommodating slot, an opening of the accommodating slot is arranged on a side of the bezel area close to the seam, and the opening of the accommodating slot is communicated with the seam; and in two adjacent first display modules, the accommodating slot of one of the first display modules is spliced with the accommodating slot of another one of the first display modules to form an accommodating cavity; and at least one second display module arranged in the accommodating cavity, wherein the second display module covers the seam; wherein the backlight module is configured to provide a backlight of the first display modules; wherein each of the first display modules comprises a first substrate and a second substrate opposite to the first substrate, the first substrate comprises a first recess portion, the first recess portion is arranged on a side of the first substrate close to the second substrate, the second substrate comprises a second recess portion, the second recess portion is arranged on a side of the second substrate close to the first substrate, and the first recess portion and the second recess portion surround to form the accommodating slot; and wherein each of the first display modules further comprises a sealant, the sealant is disposed within the first recess portion and the second recess portion and is disposed on a side of the accommodating slot away from the at least one second display module, the sealant is separated from edges of the seam by a certain distance. ### Claim 12 (depends on 11) The splicing display device according to claim 11, wherein the second display module comprises a driving substrate and a light-emitting diode (LED) chip disposed on the driving substrate, the driving substrate is arranged in the first recess portion and covers the seam, and the LED chip is disposed on a surface of the driving substrate away from the first recess portion. ### Claim 13 (depends on 12) The splicing display device according to claim 12, wherein the driving substrate is a printed circuit board-based driving substrate. ### Claim 14 (depends on 11) The splicing display device according to claim 11, wherein the first substrate comprises a base and a thin film transistor structure layer disposed on the base, and the first recess portion is formed on the base. ### Claim 15 (depends on 14) The splicing display device according to claim 14, wherein the second substrate comprises: a substrate, wherein the second recess portion is formed on the substrate; a black matrix, wherein the black matrix is arranged on a surface of the substrate close to the first substrate, and the black matrix is disposed in the display area; and a plurality of color resist blocks arranged in the black matrix. ### Claim 16 (depends on 11) The splicing display device according to claim 11, wherein the splicing display panel further comprises a liquid crystal layer, the liquid crystal layer is disposed between the first substrate and the second substrate, and the liquid crystal layer is disposed in the display area. ### Claim 17 (depends on 11) The splicing display device according to claim 11, wherein the second display module comprises a driving substrate and an organic light-emitting diode (OLED) light-emitting functional layer, the driving substrate is disposed in the first recess portion and covers the seam, and the OLED light-emitting functional layer is disposed on a surface of the driving substrate away from a bottom surface of the first recess portion. ### Claim 18 (depends on 11) The splicing display device according to claim 11, wherein a distance between two adjacent pixels of the first display module is equal to a distance between two adjacent pixels of the second display module.