# US 11,116,087 B2 · Display module 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 11,116,087 B2 - Document ID: US11116087B2 - Status: Granted - Kind: B2 - Application number: 16/917,193 - Filed: 2020-06-30 - Published: 2021-06-24 - Granted: 2021-09-07 - Earliest claimed: 2019-12-20 - Assignees: Chengdu Boe Optoelectronics Technology Co., Ltd.; Boe Technology Group Co., Ltd. - Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd.; BOE Technology Group Co., Ltd. - Inventors: Xiaoxia Huang; Shuang Zhang; Bing Ji; Chang Zhang - Web page: https://patentgrep.com/patent/US11116087B2 ## CPC - H05K 1/147: {at least one of the printed circuits being bent or folded, e.g. by using a flexible printed circuit (H05K1/148 takes precedence)} - G02F 1/13452: {Conductors connecting driver circuitry and terminals of panels} - H05K 1/0277: {Bendability or stretchability details (H05K1/038, H05K3/4691 take precedence)} - H05K 1/118: {specially for flexible printed circuits, e.g. using folded portions} - H05K 1/181: associated with surface mounted components - H05K 5/0217: {Mechanical details of casings (covers, lids, hoods or members for covering apertures H05K5/03)} - H05K 2201/056: Folded around rigid support or component - H05K 2201/10128: Display - H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS - 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 Disclosed are a display module and a display device. The display module includes a display panel having a light emitting surface and a back surface opposite to the light emitting surface; a drive circuit board disposed adjacent to an edge at a side of the display panel, and a wiring gap is formed between the drive circuit board and the display panel; a chip-on-film, a first connecting end of which is disposed on the light emitting surface and connected to the display panel, and a second connecting end of which passes through the wiring gap and extends to the back surface of the display panel; and an adapter structure disposed on a side of the second connecting end of the chip-on-film facing away from the display panel, connected between the chip-on-film and the drive circuit board. ## Claims ### Claim 1 A display module, comprising: a display panel comprising a light emitting surface and a backlight side opposite to the light emitting surface; a drive circuit board disposed adjacent to an edge of the display panel, wherein a wiring gap is formed between the drive circuit board and the display panel; a chip-on-film, wherein a first connecting end of the chip-on-film is disposed on the light emitting surface and connected to the display panel, and a second connecting end of the chip-on-film passes through the wiring gap and extends to the back surface; and an adapter structure disposed on a side of the second connecting end of the chip-on-film facing away from the display panel, wherein a first connecting end of the adapter structure is connected to the second connecting end of the chip-on-film, and a second connecting end of the adapter structure is connected to the drive circuit board. ### Claim 2 (depends on 1) The display module according to claim 1, wherein the adapter structure comprises an adapter flexible board and a wiring flexible board; and one end of the adapter flexible board is connected to the chip-on-film, and an other end of the adapter flexible board is connected to one end of the wiring flexible board, and an other end of the wiring flexible board is connected to the drive circuit board. ### Claim 3 (depends on 2) The display module according to claim 2, wherein the wiring flexible board is disposed on a side of the adapter flexible board facing away from the display panel; and an orthographic projection of the adapter flexible board on the display panel and an orthographic projection of the wiring flexible board on the display panel have at least a partially overlapping area. ### Claim 4 (depends on 2) The display module according to claim 2, wherein the adapter flexible board and the wiring flexible board are disposed in a same layer. ### Claim 5 (depends on 4) The display module according to claim 4, wherein the adapter flexible board and the wiring flexible board are of an integrated structure. ### Claim 6 (depends on 2) The display module according to claim 2, wherein the wiring flexible board and the adapter flexible board are bonded to each other. ### Claim 7 (depends on 6) The display module according to claim 6, wherein the wiring flexible board and the adapter flexible board are bonded by a conductive adhesive. ### Claim 8 (depends on 6) The display module according to claim 6, wherein the flexible wiring board and the drive circuit board are bonded to each other. ### Claim 9 (depends on 8) The display module according to claim 8, wherein the wiring flexible board and the drive circuit board are bonded by a conductive adhesive. ### Claim 10 (depends on 6) The display module according to claim 6, wherein the wiring flexible board and the drive circuit board are plugged to each other. ### Claim 11 (depends on 2) The display module according to claim 2, wherein the wiring flexible board and the adapter flexible board are plugged to each other. ### Claim 12 (depends on 11) The display module according to claim 11, wherein the wiring flexible board and the drive circuit board are bonded to each other. ### Claim 13 (depends on 12) The display module according to claim 12, wherein the wiring flexible board and the drive circuit board are bonded by a conductive adhesive. ### Claim 14 (depends on 11) The display module according to claim 11, wherein the wiring flexible board and the drive circuit board are plugged to each other. ### Claim 15 (depends on 2) The display module according to claim 2, wherein a thickness of the adapter flexible board is substantially 0.1-0.14 mm, and a thickness of the wiring flexible board is substantially 0.1-0.14 mm. ### Claim 16 (depends on 1) A display device, comprising a casing and the display module according to claim 1, wherein the display module is disposed in the casing, and the casing has a window exposing the light emitting surface of the display panel. ### Claim 17 (depends on 16) The display device according to claim 16, wherein the drive circuit board, the chip-on-film, the adapter structure and a frame area of the display panel are encapsulated in the casing, and light emitted from the light emitting surface of the display panel emits through the window.