# US 9,436,223 B2 · Display device having cover glass substrate > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,436,223 B2 - Document ID: US9436223B2 - Status: Granted - Kind: B2 - Application number: 14/498,078 - Filed: 2014-09-26 - Published: 2015-04-02 - Granted: 2016-09-06 - Earliest claimed: 2013-09-27 - Assignees: LG Display Co., Ltd. - Applicants: LG Display Co., Ltd. - Inventors: NamKook Youn - Web page: https://patentgrep.com/patent/US9436223B2 ## CPC - G06F 1/1637: {Details related to the display arrangement, including those related to the mounting of the display in the housing} - G02B 5/201: {in the form of arrays} - G02B 30/27: involving lenticular arrays - G02F 1/13338: {Input devices, e.g. touch panels} - G06F 1/1643: {the display being associated to a digitizer, e.g. laptops that can be used as penpads (details related to the relative motion of the display enclosure with respect to the body enclosure, e.g. to move between laptop and tablet PC configuration G06F1/1615)} - G06F 3/01: Input arrangements or combined input and output arrangements for interaction between user and computer (G06F3/16 takes precedence) - G02B 30/30: involving parallax barriers - G02F 2202/28: Adhesive materials or arrangements - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS - 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 A display device includes: a display panel configured for displaying an image; at least one panel attached to the display panel; an adhesive layer formed between the display panel and the at least one panel and configured to attach the at least one panel to the display panel; a plurality of print layers formed on an outer circumferential surface of the at least one panel to block light transmitted through the adhesive layer; and a plurality of bubble outlets formed in at least one of the plurality of print layers to discharge bubbles included in the adhesive layer. ## Claims ### Claim 1 A display device comprising: a display panel for displaying an image; at least one panel attached to the display panel; an adhesive layer between the display panel and the at least one panel to attach the at least one panel to the display panel; a plurality of print layers around an outer circumferential surface of the at least one panel, the plurality of print layers including a first print layer and a second print layer, wherein the second print layer includes a plurality of bubble outlets having a width narrower than a width between adjacent bubble outlets of the plurality of bubble outlets. ### Claim 2 (depends on 1) The display device of claim 1, wherein the first print layer is disposed around the outer circumference of the at least one panel, and wherein the second print layer is disposed around an outer circumference of the first print layer. ### Claim 3 (depends on 2) The display device of claim 2, wherein the plurality of bubble outlets are configured to discharge bubbles included in the adhesive layer on the first print layer. ### Claim 4 (depends on 1) The display device of claim 1, wherein the plurality of print layers are formed of a black resin to block light transmitted through a corresponding region. ### Claim 5 (depends on 1) The display device of claim 1, wherein the plurality of print layers are formed of a color resin to show a corresponding region with a corresponding color. ### Claim 6 (depends on 1) The display device of claim 1, wherein the adhesive layer is formed of an optically clear resin (OCR) or an optically clear adhesive (OCA). ### Claim 7 (depends on 1) The display device of claim 1, wherein the at least one panel includes a cover substrate. ### Claim 8 (depends on 7) The display device of claim 7, wherein the cover substrate is formed of glass or plastic. ### Claim 9 (depends on 1) The display device of claim 1, wherein the at least one panel includes a functional panel. ### Claim 10 (depends on 9) The display device of claim 9, wherein the functional panel includes a three-dimensional (3D) film patterned retarder (FPR), a parallax barrier panel, and a touch panel. ### Claim 11 (depends on 1) The display device of claim 1, wherein the at least one panel comprises: a cover substrate; and a functional panel. ### Claim 12 (depends on 11) The display device of claim 11, further comprising: a second adhesive layer attaching the cover substrate and the functional panel; and a second plurality of print layers in an outer circumferential region between the cover substrate and the functional panel, at least one of the second plurality of print layers including a second plurality of bubble outlets. ### Claim 13 (depends on 1) The display device of claim 1, wherein the bubble outlets are sized to discharge bubbles included in the adhesive layer during a deaerating process, and wherein the bubble outlets are sized to not discharge adhesive included in the adhesive layer during the deaerating process. ### Claim 14 (depends on 1) The display device of claim 1, wherein a first width between an inner edge of the first print layer and an outer edge of the at least one panel is greater than a second width between an inner edge of the second print layer and the outer edge of the at least one panel. ### Claim 15 (depends on 1) The display device of claim 1, wherein the plurality of bubble outlets are shaped as concave recesses opening toward the display panel.