# US 10,768,472 B2 · Display device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,768,472 B2 - Document ID: US10768472B2 - Status: Granted - Kind: B2 - Application number: 15/834,671 - Filed: 2017-12-07 - Published: 2018-06-07 - Granted: 2020-09-08 - Earliest claimed: 1996-07-15 - Assignees: LG Display Co., Ltd. - Applicants: LG Display Co., Ltd. - Inventors: Dong-Hyo Gu; Min-Cheol Shin - Web page: https://patentgrep.com/patent/US10768472B2 ## CPC - G02F 1/133526: {Lenses, e.g. microlenses or Fresnel lenses} - G02F 1/133621: {providing coloured light (G02F1/133617, G02F1/133533 take precedence)} - G02B 3/0056: {arranged along two different directions in a plane, e.g. honeycomb arrangement of lenses (G02B3/0043 takes precedence; miniaturised objectives for electronic devices employing wafer level optics G02B13/0085)} - G02F 1/133512: {Light shielding layers, e.g. black matrix (G02F1/136209 takes precedence)} - 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 first and second transparent substrates; a plurality of gate bus lines and data bus lines on the first transparent substrate to define a plurality of pixels; a plurality of color filter layers under the second transparent substrates; and a plurality of microlenses under one of the first and second transparent substrates at positions corresponding to the gate and data bus lines, wherein at least two microlenses among the plurality of microlenses are corresponded to each of the gate or data bus lines in a width direction of each of the gate or data bus lines, and wherein a border between the at least two microlenses is substantially aligned with a center of a corresponding one of the gate and data bus lines, and wherein at least one microlens overlapped with one data bus line does not overlap with the other data bus lines. ## Claims ### Claim 1 A display device comprising: a substrate; a plurality of gate bus lines and a plurality of data bus lines intersecting the plurality of gate bus lines on the substrate; a plurality of pixel regions arranged between the plurality of data bus lines and the plurality of gate bus lines on the substrate; a plurality of pixel electrodes on the substrate at each of the plurality of pixel regions; and a plurality of microlenses over the substrate, wherein at least three microlenses among the plurality of microlenses are corresponded to each of the pixel electrodes in a width direction of the each of the pixel electrodes, and at least one microlens adjacent to the at least three microlenses is corresponded to one of the plurality of data bus lines, wherein at least two microlenses among the plurality of microlenses are corresponded to each of the gate or data bus lines in a width direction of each of the gate or data bus lines, and wherein at least one microlens among the at least two microlenses that is overlapped with one data bus line does not overlap with the other data bus lines. ### Claim 2 (depends on 1) The display device according to claim 1, wherein each of the plurality of microlenses is a concave lens. ### Claim 3 (depends on 2) The display device according to claim 2, wherein edges of two adjacent microlenses at a border between the plurality of microlenses form an acute angle. ### Claim 4 (depends on 1) The display device according to claim 1, wherein each of the plurality of microlenses is a convex lens. ### Claim 5 (depends on 1) The display device according to claim 1, further comprising: a light source located over the substrate on which the plurality of microlenses are formed. ### Claim 6 (depends on 1) The display device according to claim 1, further comprising: a light source positioned at a backside of the plurality of microlenses. ### Claim 7 (depends on 1) The display device according to claim 1, further comprising an overcoat layer, wherein the plurality of microlenses are formed by selectively etching an outer surface portion of the overcoat layer. ### Claim 8 (depends on 7) The display device according to claim 7, wherein the plurality of microlenses are covered with a different material from the overcoat layer. ### Claim 9 (depends on 7) The display device according to claim 7, wherein the plurality of microlenses are covered with a material having a different refractive index from that of the overcoat layer. ### Claim 10 (depends on 1) The display device according to claim 1, further comprising an overcoat layer, and a color filter layer over the substrate, wherein the color filter layer is positioned between the overcoat layer and the substrate. ### Claim 11 A display device comprising: a substrate; a plurality of pixels on the substrate, the plurality of pixels having a plurality of gate bus lines and a plurality of data bus lines; and a plurality of microlenses over the substrate, wherein at least three microlenses among the plurality of microlenses are corresponded to each of the pixel electrodes in a width direction of the each of the pixel electrodes, and at least one microlens adjacent to the at least three microlenses is corresponded to one of the plurality of data bus lines, wherein at least two microlenses among the plurality of microlenses correspond to each of the gate or data bus lines in a width direction of each of the gate or data bus lines, and wherein the at least two microlenses correspond to one pixel. ### Claim 12 (depends on 11) The display device according to claim 11, wherein each of the plurality of microlenses is a concave lens. ### Claim 13 (depends on 12) The display device according to claim 12, wherein edges of two adjacent microlenses at a border between the plurality of microlenses form an acute angle. ### Claim 14 (depends on 11) The display device according to claim 11, wherein each of the plurality of microlenses is a convex lens. ### Claim 15 (depends on 11) The display device according to claim 11, further comprising a light source located over the substrate on which the plurality of microlenses are formed. ### Claim 16 (depends on 11) The display device according to claim 11, further comprising: a light source positioned at a backside of the plurality of microlenses. ### Claim 17 (depends on 11) The display device according to claim 11, further comprising an overcoat layer, wherein the plurality of microlenses are formed by selectively etching an outer surface portion of the overcoat layer. ### Claim 18 (depends on 17) The display device according to claim 17, wherein the plurality of microlenses are covered with a different material from the overcoat layer. ### Claim 19 (depends on 17) The display device according to claim 17, wherein the plurality of microlenses are covered with a material having a different refractive index from that of the overcoat layer. ### Claim 20 (depends on 11) The display device according to claim 11, further comprising: an overcoat layer; and a color filter layer over the substrate, wherein a color filter layer is positioned between the overcoat layer and the substrate.