# US 12,216,355 B2 · Display device comprising an optical sheet disposed between a first part and a second part of a panel supporter > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,216,355 B2 - Document ID: US12216355B2 - Status: Granted - Kind: B2 - Application number: 18/368,357 - Filed: 2023-09-14 - Published: 2024-01-04 - Granted: 2025-02-04 - Earliest claimed: 2010-10-28 - Assignees: LG Electronics Inc. - Applicants: LG Electronics Inc. - Inventors: Inkeun Ryu; Sangdon Park; Moungyoub Lee; Kyoungmok Kim; Yunjoo Kim; Jonghyun Byeon - Web page: https://patentgrep.com/patent/US12216355B2 ## CPC - G02F 1/133608: {including particular frames or supporting means} - G02B 6/0021: {for housing at least a part of the light source, e.g. by forming holes or recesses} - G02B 6/0036: {2-D arrangement of prisms, protrusions, indentations or roughened surfaces} - G02B 6/0038: {Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide} - G02F 1/133317: {Intermediate frames, e.g. between backlight housing and front frame} - G02F 1/133328: {Segmented frames} - G02F 2201/46: Fixing elements - G02F 2202/28: Adhesive materials or arrangements - 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 - G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS ## Abstract A display device includes a display panel including a front substrate and a back substrate, a plurality of brackets attached to a non-display area of a back surface of the back substrate using an adhesive, and a backlight unit positioned in the rear of the display panel. The backlight unit includes a frame including at least one protrusion, a light guide plate disposed between the frame and the display panel, the light guide plate including at least one groove or hole corresponding to the at least one protrusion of the frame, an optical layer disposed between the light guide plate and the display panel, and a light source disposed on the side of the light guide plate. ## Claims ### Claim 1 A display device comprising: a display panel; a panel supporter extending along an edge of the display panel at a rear of the display panel and attached to a back surface of the display panel by using an adhesive layer; an optical sheet coupled with the panel supporter at the rear of the display panel; and a light source at a rear of the optical sheet, the light source providing light for the display panel, wherein the panel supporter includes a groove into which an end of the optical sheet is inserted, and wherein an edge of a front surface of the display panel overlapping the panel supporter is exposed to an outside of the display device, wherein the panel supporter comprises: a first part facing the back surface of the display panel; a second part facing the first part with a space forming the groove; and a third part connected with the first part and the second part, wherein the end of the optical sheet is disposed between the first part and the second part. ### Claim 2 (depends on 1) The display device of claim 1, wherein a side surface of the display panel overlapping the panel supporter is exposed to the outside of the display device. ### Claim 3 (depends on 1) The display device of claim 1, wherein the end of the optical sheet is inserted into the groove in a parallel direction with the back surface of the display panel. ### Claim 4 (depends on 1) The display device of claim 1, wherein the first part of the panel supporter is fixed to the back surface of the display panel. ### Claim 5 A display device comprising: a display panel; an inner supporter extending along an edge of the display panel at a rear of the display panel and coupled with the display panel; an optical sheet coupled with the inner supporter at the rear of the display panel; and an outer supporter on which the inner supporter is mounted, wherein the outer supporter covers a side surface of the display panel adjacent to the edge of the display panel and an edge of a front surface of the display panel overlapping the inner supporter is exposed to an outside of the display device; wherein the inner supporter includes a groove into which an end of the optical sheet is inserted; and wherein the inner supporter comprises: a first part facing a back surface of the display panel; a second part facing the first part with a space forming the groove; and a third part connected with the first part and the second part; wherein the end of the optical sheet is disposed between the first part and the second part. ### Claim 6 (depends on 5) The display device of claim 5, wherein the end of the optical sheet is inserted into the groove in a parallel direction with the back surface of the display panel such that an inner side of the groove of the inner supporter supports the optical sheet and an outer side of the inner supporter supports the display panel. ### Claim 7 (depends on 6) The display device of claim 6, wherein an adhesive layer fixes the outer side of the inner supporter to the back surface of the display panel. ### Claim 8 (depends on 5) The display device of claim 5, wherein the outer supporter includes a horizontal part extended along the inner supporter and a vertical part extended along the side surface of the display panel adjacent to the edge of the display panel; and wherein the inner supporter is fixed on the horizontal part of the outer supporter such that the back surface of the display panel is disposed on the inner supporter. ### Claim 9 (depends on 8) The display device of claim 8, wherein the back surface of the display panel is attached to the inner supporter with an adhesive layer. ### Claim 10 (depends on 5) The display device of claim 5, wherein the first part of the inner supporter is fixed to the back surface of the display panel. ### Claim 11 (depends on 10) The display device of claim 10, wherein an adhesive layer fixes the back surface of the display panel to the inner supporter. ### Claim 12 (depends on 11) The display device of claim 11, further comprising a light source at a rear of the optical sheet, the light source providing light for the display panel. ### Claim 13 (depends on 5) The display device of claim 5, further comprising a light source unit at a rear of the optical sheet, the light source unit disposed to be parallel to and overlapping the display panel, wherein the light source unit comprises a plurality of light sources configured to provide light for the display panel. ### Claim 14 A display device comprising: a display panel; an optical sheet facing the display panel at a rear of the display panel; and a first supporter extended along an edge of the display panel at the rear of the display panel and an end of the optical sheet, the first supporter including a groove facing the end of the optical sheet such that the end of the optical sheet is inserted into the groove of the first supporter, wherein the display panel is mounted on an outer side of the first supporter adjacent to the groove such that a side surface and a front surface of the display panel overlapping the first supporter are exposed to an outside of the display device, and wherein the first supporter comprises: a first part facing a back surface of the display panel; a second part facing the first part with a space forming the groove; and a third part connected with the first part and the second part, wherein the end of the optical sheet is disposed between the first part and the second part. ### Claim 15 (depends on 14) The display device of claim 14, further comprising a second supporter onto which the first supporter is mounted such that the first supporter is disposed between the display panel and the second supporter. ### Claim 16 (depends on 15) The display device of claim 15, wherein the second supporter includes a horizontal part extended along the first supporter and a vertical part extended along the edge of the display panel, and wherein the vertical part of the second supporter covers the side surface of the display panel. ### Claim 17 (depends on 16) The display device of claim 16, wherein an adhesive layer is fixed on the outer side of the first supporter and attached to a back surface of the display panel. ### Claim 18 (depends on 16) The display device of claim 16, wherein the vertical part of the second supporter with at least one of the first supporter or the horizontal part of the second supporter covers a rear edge of the display panel such that a front edge of the display panel and the front surface of the display panel are exposed to the outside of the display device. ### Claim 19 (depends on 14) The display device of claim 14, wherein the optical sheet includes a plurality of optical sheets, and wherein a bundle of ends of the plurality of optical sheets are inserted into the groove of the first supporter. ### Claim 20 (depends on 14) The display device of claim 14, wherein the first supporter includes a plurality of first supporters, wherein the plurality of first supporters includes an upper horizontal supporter, a first vertical supporter at an end of the upper horizontal supporter, and a second vertical supporter facing the first vertical supporter at another end of the upper horizontal supporter, and wherein the display panel is fixed to the plurality of first supporters by adhesive layers, respectively. ### Claim 21 (depends on 20) The display device of claim 20, wherein at least three side ends of the optical sheet are inserted into the grooves of the plurality of first supporters. ### Claim 22 (depends on 14) The display device of claim 14, further comprising a direct-type light source providing light for the display panel at a rear of the optical sheet. ### Claim 23 (depends on 14) The display device of claim 14, wherein the display panel includes an active area displaying images in a center area of the display panel and a dummy area in an outer side area surrounds the active area, wherein the first supporter overlaps with the dummy area of the display panel at the rear of the display panel, and wherein the optical sheet other than the end of the optical sheet inserted into the groove of the first supporter corresponds to the active area of the display panel. ### Claim 24 (depends on 1) The display device of claim 1, wherein the first part, the second part, and the third part of the panel supporter are integrally formed. ### Claim 25 (depends on 1) The display device of claim 1, wherein the light source is a direct-type light source. ### Claim 26 (depends on 5) The display device of claim 5, wherein the first part, the second part, and the third part of the inner supporter are integrally formed. ### Claim 27 (depends on 5) The display device of claim 5, wherein the inner supporter and the outer supporter are coupled together by a plurality of screws. ### Claim 28 (depends on 12) The display device of claim 12, wherein the light source is a direct-type light source. ### Claim 29 (depends on 14) The display device of claim 14, wherein the first part, the second part, and the third part of the first supporter are integrally formed. ### Claim 30 (depends on 14) The display device of claim 14, wherein the first supporter and the second supporter are coupled together by a plurality of screws. ### Claim 31 (depends on 5) The display device of claim 5, further comprising a light source unit at a rear of the optical sheet, the light source unit disposed to be parallel to and overlapping the display panel, wherein the light source unit comprises a plurality of light sources configured to provide light for the display panel.