# US 10,484,672 B2 · Naked eye three-dimensional (3D) display device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,484,672 B2 - Document ID: US10484672B2 - Status: Granted - Kind: B2 - Application number: 15/577,146 - Filed: 2017-11-16 - Published: 2019-03-28 - Granted: 2019-11-19 - Earliest claimed: 2017-09-25 - Assignees: Wuhan China Star Optoelectronics Semiconducor Display Technology Co., Ltd. - Applicants: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. - Inventors: Wei Yu - Web page: https://patentgrep.com/patent/US10484672B2 ## CPC - G02B 30/28: involving active lenticular arrays - H04N 13/302: for viewing without the aid of special glasses, i.e. using autostereoscopic displays - G02B 3/00: Simple or compound lenses - G02B 30/27: involving lenticular arrays - G02F 1/13: based on liquid crystals, e.g. single liquid crystal display cells - G02F 1/1337: Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers - G02F 1/134309: {characterised by their geometrical arrangement} - G02F 1/29: for the control of the position or the direction of light beams, i.e. deflection - H04N 13/322: using varifocal lenses or mirrors - H10K 50/11: characterised by the electroluminescent [EL] layers - G02F 1/133526: {Lenses, e.g. microlenses or Fresnel lenses} - G02F 1/294: {Variable focal length devices} - G02F 2201/44: Arrangements combining different electro-active layers, e.g. electrochromic, liquid crystal or electroluminescent layers - G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS - H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION - 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 - H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES ## Abstract A naked eye three-dimensional (3D) display device is provided and has a display panel and a liquid crystal lens located on a light-emitting side of the display panel. The display panel has a first glass substrate, organic light-emitting diode (OLED) device. The liquid crystal lens has a first thin film package layer, a first transparent electrode, a second glass substrate, a second transparent electrode and a liquid crystal layer located between the second transparent electrode and the first transparent electrode. ## Claims ### Claim 1 A naked eye three-dimensional (3D) display device, wherein the naked eye 3D display device comprises a display panel and a liquid crystal lens located on a light-emitting side of the display panel; wherein the display panel comprises: a first glass substrate; and an organic light-emitting diode (OLED) device disposed on a surface of the first glass substrate, the OLED device comprising a transparent cathode metal, and the transparent cathode metal disposed on a portion of the OLED device facing away from the first glass substrate; the liquid crystal lens comprises: a first thin film package layer covering a surface of the transparent cathode metal; a first transparent electrode disposed on a surface of the first thin film package layer; a second glass substrate disposed opposite to the first glass substrate; a second transparent electrode disposed on a side of the second glass substrate facing the first glass substrate, and coupled to the first transparent electrode; and a liquid crystal layer disposed between the second transparent electrode and the first transparent electrode; multiple metal via holes are defined in the first thin film package layer; and the first transparent electrode is electrically connected to the transparent cathode metal through the metal via holes; wherein a sealant is coated on a periphery of the second glass substrate, and the first glass substrate and the second glass substrate are adhered together by the sealant. ### Claim 2 (depends on 1) The naked eye 3D display device as claimed in claim 1, wherein the second transparent electrode is a grid electrode or a stick electrode. ### Claim 3 (depends on 1) The naked eye 3D display device as claimed in claim 1, wherein the display panel further comprises a second thin film package layer, and the second thin film package layer is disposed on a surface of the first transparent electrode. ### Claim 4 (depends on 3) The naked eye 3D display device as claimed in claim 3, wherein both the first thin film package layer and the second thin film package layer are transparent film layers. ### Claim 5 (depends on 3) The naked eye 3D display device as claimed in claim 3, wherein both the first thin film package layer and the second thin film package layer are inorganic film layers, and the inorganic film layers are made of one or a combination of at least two of SiNx, SiON, and Al2O3. ### Claim 6 (depends on 5) The naked eye 3D display device as claimed in claim 5, wherein a first alignment film is disposed on a surface of the second thin film package layer; a second alignment film is disposed on a surface of the second transparent electrode, the second alignment film and the first alignment film are disposed opposite to each other, and the liquid crystal layer is located between the first alignment film and the second alignment film. ### Claim 7 (depends on 1) The naked eye 3D display device as claimed in claim 1, wherein the OLED device further comprises a transparent anode metal, an electric-conductive layer and an organic light-emitting material layer. ### Claim 8 (depends on 7) The naked eye 3D display device as claimed in claim 7, wherein the OLED device employs an active driving mode, or employs a passive driving mode. ### Claim 9 A naked eye three-dimensional (3D) display device, wherein the naked eye 3D display device comprises display panel and a liquid crystal lens located on a light-emitting side of the display panel; wherein the display panel comprises: a first glass substrate; an organic light-emitting diode (OLED) device disposed on a surface of the first glass substrate, the OLED device comprising a transparent cathode metal, and the transparent cathode metal disposed on a portion of the OLED device facing away from the first glass substrate; the liquid crystal lens comprises: a first thin film package layer covering a surface of the transparent cathode metal; a first transparent electrode disposed on a surface of the first thin film package layer; a second glass substrate disposed opposite to the first glass substrate; a second transparent electrode disposed on a side of the second glass substrate facing the first glass substrate, and coupled to the first transparent electrode; and a liquid crystal layer, disposed between the second transparent electrode and the first transparent electrode; wherein a sealant is coated on a periphery of the second glass substrate, the first glass substrate and the second glass substrate are adhered together by the sealant. ### Claim 10 (depends on 9) The naked eye 3D display device as claimed in claim 9, wherein the second transparent electrode is a grid electrode or a stick electrode. ### Claim 11 (depends on 9) The naked eye 3D display device as claimed in claim 9, wherein the display panel further comprises second thin film package layer, and the second thin film package layer is disposed on a surface of the first transparent electrode. ### Claim 12 (depends on 11) The naked eye 3D display device as claimed in claim 11, wherein both the first thin film package layer and the second thin film package layer are transparent film layers. ### Claim 13 (depends on 11) The naked eye 3D display device as claimed in claim 11, wherein both the first thin film package layer and the second thin film package layer are inorganic film layers, and the inorganic film layers are made of one or a combination of at least two of SiNx, SiON, and Al2O3. ### Claim 14 (depends on 13) The naked eye 3D display device as claimed in claim 13, wherein a first alignment film is disposed on a surface of the second thin film package layer; a second alignment film is disposed on a surface of the second transparent electrode, the second alignment film and the first alignment film are disposed opposite to each other, the liquid crystal layer is located between the first alignment film and the second alignment film. ### Claim 15 (depends on 9) The naked eye 3D display device as claimed in claim 9, wherein the OLED device further comprises a transparent anode metal, an electric-conductive layer and an organic light-emitting material layer. ### Claim 16 (depends on 15) The naked eye 3D display device as claimed in claim 15, wherein the OLED device employs an active driving mode, or employs a passive driving mode.