# US 12,193,263 B2 · Display panel, manufacturing method thereof, and displaying device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,193,263 B2 - Document ID: US12193263B2 - Status: Granted - Kind: B2 - Application number: 18/208,212 - Filed: 2023-06-09 - Published: 2023-10-12 - Granted: 2025-01-07 - Earliest claimed: 2020-11-19 - Assignees: Boe Technology Group Co., Ltd. - Applicants: BOE Technology Group Co., Ltd. - Inventors: Duohui Li; Kang Guo; Mengya Song; Zhen Liu; Xiao Zhang; Xin Gu - Web page: https://patentgrep.com/patent/US12193263B2 ## CPC - G02F 1/133526: {Lenses, e.g. microlenses or Fresnel lenses} - 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)} - G02B 5/3058: {comprising electrically conductive elements, e.g. wire grids, conductive particles} - H10K 59/351: {comprising more than three subpixels, e.g. red-green-blue-white [RGBW]} - H10K 59/38: comprising colour filters or colour changing media [CCM] - H10K 59/879: {comprising refractive means, e.g. lenses} - H10K 59/8791: {Arrangements for improving contrast, e.g. preventing reflection of ambient light} - 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 - H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES ## Abstract Disclosed are a display panel, a manufacturing method thereof, and a displaying device. The display panel comprises a pixel layer, a support layer, a lens unit and a cover plate which are stacked in sequence. The support layer is located on a luminescent layer of the pixel layer. The lens unit comprises a lens layer, wherein the lens layer comprises a lens area and a non-lens area, and the lens area comprises multiple lenses arranged in an array. The display panel further comprises a polarization unit disposed on a light path between the pixel layer and the lens layer and configured to filter out light emitted from the pixel layer to the non-lens area. ## Claims ### Claim 1 A display panel, comprising a pixel layer, a support layer, a lens unit and a cover plate which are stacked in sequence, wherein: the support layer is located on a light-emitting side of the pixel layer; the lens unit comprises a lens layer, the lens layer comprises a lens area and a non-lens area, and the lens area comprises multiple lenses arranged in an array; the display panel further comprises a polarization unit disposed on a light path between the pixel layer and the lens layer and configured to filter out light emitted from the pixel layer to the non-lens area; the polarization unit comprises a first polarization layer and a second polarization layer, wherein the first polarization layer is closer to the pixel layer than the second polarization layer, and a transmission axis of the first polarization layer is perpendicular to a transmission axis of the second polarization layer; the first polarization layer comprises a first wire grid polarizer, and the second polarization layer comprises a second wire grid polarizer; wherein, the first wire grid polarizer comprises multiple parallel first protrusions arranged in a first direction; the second wire grid polarizer comprises multiple parallel second protrusions arranged in a second direction; and an area where the first protrusions are located and an area where the second protrusions are located correspond to the non-lens area, and the first direction is perpendicular to the second direction. ### Claim 2 (depends on 1) The display panel according to claim 1, wherein the first polarization layer further comprises a first inorganic layer and a first organic layer, and the second polarization layer further comprises a second inorganic layer and a second organic layer; the first organic layer is disposed on a side, closest to the support layer, of the pixel layer, the multiple first protrusions are disposed on a side, closest to the support layer, of the first inorganic layer, and the first organic layer covers the multiple first protrusions; and the second inorganic layer is disposed on a side, closest to the support layer, of the lens layer, the multiple second protrusions are disposed on a side, closest to the support layer, of the second organic layer, and the second organic layer is disposed on sides, closest to the support layer, of the multiple second protrusions. ### Claim 3 (depends on 1) The display panel according to claim 1, wherein the first polarization layer further comprises a third organic layer, and the second polarization layer further comprises a fourth organic layer; the multiple first protrusions are formed on a side, closest to the pixel layer, of the support layer, and the third organic layer is disposed on sides, closest to the pixel layer, of the multiple first protrusions; and the multiple second protrusions are formed on a side, closest to the lens layer, of the support layer, and the fourth organic layer covers the multiple second protrusions. ### Claim 4 (depends on 1) The display panel according to claim 1, wherein the first polarization layer further comprises a third inorganic layer, and the second polarization layer further comprises a fifth organic layer; the multiple parallel first protrusions are formed on a side, closest to the lens layer, of the support layer, and the third inorganic layer covers the multiple parallel first protrusions; and the multiple parallel second protrusions are formed on a side, closest to the lens layer, of the third inorganic layer, and the fifth organic layer covers the multiple parallel second protrusions. ### Claim 5 (depends on 1) The display panel according to claim 1, wherein the lens unit further comprises a dimming layer, the dimming layer is located on a side, farthest from the support layer, of the lens layer and covers the lens layer, and a refractive index of the lenses is different from a refractive index of the dimming layer. ### Claim 6 (depends on 5) The display panel according to claim 5, wherein the refractive index of the dimming layer is greater than the refractive index of the lenses. ### Claim 7 (depends on 1) The display panel according to claim 1, wherein the lenses are micro-lenses. ### Claim 8 (depends on 1) The display panel according to claim 1, wherein in a direction parallel to the support layer, a cross-section of the lenses is circular, elliptical, square or rectangular. ### Claim 9 (depends on 1) A displaying device, comprising the display panel according to claim 1. ### Claim 10 (depends on 1) A manufacturing method of the display panel according to claim 1, comprising: forming the pixel layer, the support layer, the lens unit and the cover plate which are stacked in sequence; and forming the polarization unit. ### Claim 11 A display panel, comprising a pixel layer, a support layer, a lens unit and a cover plate which are stacked in sequence, wherein: the support layer is located on a light-emitting side of the pixel layer; the lens unit comprises a lens layer, the lens layer comprises a lens area and a non-lens area, and the lens area comprises multiple lenses arranged in an array; the display panel further comprises a polarization unit disposed on a light path between the pixel layer and the lens layer and configured to filter out light emitted from the pixel layer to the non-lens area; the polarization unit comprises a first polarization layer and a second polarization layer, wherein the first polarization layer is closer to the pixel layer than the second polarization layer, and a transmission axis of the first polarization layer is perpendicular to a transmission axis of the second polarization layer; the first polarization layer comprises a first polarizer, and the second polarization layer comprises a second polarizer; wherein, a transmission axis of the first polarizer is perpendicular to a transmission axis of the second polarizer, the first polarizer and the second polarizer each comprise a light-transmitting portion and a polarization portion, areas where the polarization portions are located correspond to the non-lens area, and areas where the light-transmitting portions are located correspond to the lens area. ### Claim 12 (depends on 11) The display panel according to claim 11, wherein the lens unit further comprises a dimming layer, the dimming layer is located on a side, farthest from the support layer, of the lens layer and covers the lens layer, and a refractive index of the lenses is different from a refractive index of the dimming layer. ### Claim 13 (depends on 12) The display panel according to claim 12, wherein the refractive index of the dimming layer is greater than the refractive index of the lenses. ### Claim 14 (depends on 11) The display panel according to claim 11, wherein the lenses are micro-lenses. ### Claim 15 (depends on 11) The display panel according to claim 11, wherein in a direction parallel to the support layer, a cross-section of the lenses is circular, elliptical, square or rectangular. ### Claim 16 A display panel, comprising a pixel layer, a support layer, a lens unit and a cover plate which are stacked in sequence, wherein: the support layer is located on a light-emitting side of the pixel layer; the lens unit comprises a lens layer, the lens layer comprises a lens area and a non-lens area, and the lens area comprises multiple lenses arranged in an array; the display panel further comprises a polarization unit disposed on a light path between the pixel layer and the lens layer and configured to filter out light emitted from the pixel layer to the non-lens area; the display panel further comprises a third polarizer located on a side, closest to the support layer, of the pixel layer; and the polarization unit comprises a third polarization layer, and a transmission axis of the third polarization layer is perpendicular to a transmission axis of the third polarizer. ### Claim 17 (depends on 16) The display panel according to claim 16, wherein the third polarization layer comprises a third wire grid polarizer, and the third wire grid polarizer comprises multiple parallel third protrusions arranged in a third direction; wherein, the transmission axis of the third polarizer is perpendicular to the third direction. ### Claim 18 (depends on 16) The display panel according to claim 16, wherein the third polarization layer is located on a side, closest to the support layer, of the lens layer. ### Claim 19 (depends on 16) The display panel according to claim 16, wherein the lens unit further comprises a dimming layer, the dimming layer is located on a side, farthest from the support layer, of the lens layer and covers the lens layer, and a refractive index of the lenses is different from a refractive index of the dimming layer. ### Claim 20 (depends on 19) The display panel according to claim 19, wherein the refractive index of the dimming layer is greater than the refractive index of the lenses.