# US 11,307,454 B2 · Electronic device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,307,454 B2 - Document ID: US11307454B2 - Status: Granted - Kind: B2 - Application number: 17/010,186 - Filed: 2020-09-02 - Published: 2021-04-01 - Granted: 2022-04-19 - Earliest claimed: 2019-09-29 - Assignees: Innolux Corporation - Applicants: InnoLux Corporation - Inventors: Shan-Shan Hsu; Ming-Tsang Wu; Chia-Chieh Fan - Web page: https://patentgrep.com/patent/US11307454B2 ## CPC - G02F 1/133603: {with LEDs} - G02F 1/13452: {Conductors connecting driver circuitry and terminals of panels} - G02F 1/133311: {Environmental protection, e.g. against dust or humidity} - G02F 1/133317: {Intermediate frames, e.g. between backlight housing and front frame} - G02F 1/133528: {Polarisers} - H05K 1/189: characterised by the use of flexible or folded printed circuits - G02F 2201/36: Airflow channels, e.g. constructional arrangements facilitating the flow of air - G02F 2202/28: Adhesive materials or arrangements - H05K 1/028: {Bending or folding regions of flexible printed circuits (H05K1/0283 takes precedence)} - H05K 2201/10136: Liquid Crystal display [LCD] - 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 - H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS ## Abstract An electronic device is provided. The electronic device includes a backlight module, a display panel, an adhesive layer, and a flexible circuit board. The display panel is disposed on the backlight module. The adhesive layer is disposed between the backlight module and the display panel. The adhesive layer includes an opening. The flexible circuit board is electrically connected to the display panel. The flexible circuit board overlaps the opening. ## Claims ### Claim 1 An electronic device, comprising: a backlight module; a display panel disposed on the backlight module; an adhesive layer disposed between the backlight module and the display panel, wherein the adhesive layer includes an opening; and a flexible circuit board electrically connected to the display panel, wherein the flexible circuit board overlaps the opening. ### Claim 2 (depends on 1) The electronic device as claimed in claim 1, wherein a width of the opening is from 0.1 mm to 5 mm. ### Claim 3 (depends on 1) The electronic device as claimed in claim 1, wherein a number of the opening overlapped by the flexible circuit board is same as or different from another number of another opening overlapped by another flexible circuit board. ### Claim 4 (depends on 1) The electronic device as claimed in claim 1, wherein the display panel includes a polarizer, the flexible circuit board include a flexible carrier, and the opening is located between the polarizer and the flexible carrier. ### Claim 5 (depends on 1) The electronic device as claimed in claim 1, wherein an end of the flexible circuit board is disposed in a wiring area of the display panel, and the wiring area is located between the opening and the end. ### Claim 6 (depends on 1) The electronic device as claimed in claim 1, further comprising: a driving circuit board disposed adjacent to the backlight module, wherein the driving circuit board is electrically connected to the display panel by the flexible circuit board, and the opening is located between the display panel and the driving circuit board. ### Claim 7 (depends on 1) The electronic device as claimed in claim 1, further comprising: an insulating buffer layer disposed between a sidewall of the backlight module and the flexible circuit board. ### Claim 8 (depends on 7) The electronic device as claimed in claim 7, wherein the flexible circuit board includes a driving chip, and the insulating buffer layer is in direct contact with the driving chip. ### Claim 9 (depends on 8) The electronic device as claimed in claim 8, wherein the driving chip is electrically isolated from the backlight module by the insulating buffer layer. ### Claim 10 (depends on 1) The electronic device as claimed in claim 1, wherein the adhesive layer includes a UV cured glue layer, a moisture cured glue layer, a double sided glue tape, or any combination thereof. ### Claim 11 (depends on 1) The electronic device as claimed in claim 1, wherein the backlight module comprises: a housing; and a light-emitting element disposed on the housing; wherein the opening is located between the housing and the display panel. ### Claim 12 (depends on 1) The electronic device as claimed in claim 1, wherein the backlight module comprises: a first housing and a second housing, a light-emitting element disposed on the first housing; wherein the second housing is disposed on the first housing. ### Claim 13 (depends on 12) The electronic device as claimed in claim 12, wherein the adhesive layer is in direct contact with the second housing and the display panel. ### Claim 14 (depends on 12) The electronic device as claimed in claim 12, wherein the adhesive layer overlaps the first housing. ### Claim 15 (depends on 1) The electronic device as claimed in claim 1, wherein a wire width of the adhesive layer is in a range from 0.1 mm to 10 mm. ### Claim 16 (depends on 1) The electronic device as claimed in claim 1, wherein a height of the adhesive layer is in a range from 150 μm to 500 μm. ### Claim 17 (depends on 1) The electronic device as claimed in claim 1, wherein a height of the opening is in a range from 150 μm to 500 μm. ### Claim 18 (depends on 1) The electronic device as claimed in claim 1, wherein a height of the adhesive layer and a height of the opening is the same as or different from each other. ### Claim 19 (depends on 1) The electronic device as claimed in claim 1, wherein an end of the flexible circuit board partially overlaps the adhesive layer in the normal direction of the display panel.