Patents by Inventor Jiarong BAI
Jiarong BAI has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11789287Abstract: A display system based on a four-dimensional light field, and a display method therefor. The display system includes: a light source module (11), a display panel (12), and a light conduction component (13), wherein the light source module (11) includes a plurality of light sources arranged in an array; and the display panel (12) is a reflective liquid crystal display panel, and the display panel (12) includes a plurality of pixel units arranged in an array. Light emitted by the light sources in the light source module (11) irradiates the pixel units in the display panel (12); and the pixel units in the display panel (12) transmit the received light to a target position by means of the light conduction component (13).Type: GrantFiled: May 25, 2021Date of Patent: October 17, 2023Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Ruijun Dong, Hao Zhang, Chenru Wang, Ke Li, Yulong Wu, Jiarong Bai, Na Han
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Patent number: 11789272Abstract: The disclosure discloses a near-to-eye display device, including: a first display screen, a first imaging lens, a second display screen, a second imaging lens and a waveguide. The first display screen provides a first image and the first image enters the waveguide through the first imaging lens. The second display screen provides a second image, the second image enters the waveguide through the second imaging lens. Imaging light rays from the first imaging lens and the second imaging lens can emit towards a light-emitting surface of the waveguide via a light taking part, and enter the human eyes.Type: GrantFiled: August 18, 2021Date of Patent: October 17, 2023Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Na Han, Chenru Wang, Ruijun Dong, Yulong Wu, Ke Li, Jiarong Bai, Hao Zhang
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Publication number: 20230236422Abstract: A near-eye display device, including: a display device (1) for displaying an image; an imaging lens (2) on a light-outgoing side of the display device (1) and for imaging the image displayed on the display device (1); a polarizer (3) on the light-outgoing side and for converting light emitted from the display device (1) into linearly polarized light; first and second phase delay layers (41, 42), on a side of the polarizer (3) distal to the display device (1) and for converting a polarization state of incident light; a polarized light splitter (5) on a side of the second phase delay layer (42) distal to the polarizer (3); and a curved mirror (6) on a reflected light path of the polarized light splitter (5) and for partially reflecting light transmitted by the second phase delay layer (42) to human eyes and partially transmitting ambient light.Type: ApplicationFiled: July 5, 2021Publication date: July 27, 2023Inventors: Yulong WU, Ke LI, Chenru WANG, Jiarong BAI, Na HAN, Ruijun DONG, Lili CHEN, Hao ZHANG
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Publication number: 20230176372Abstract: A head up display system, including: a display screen used for displaying an image; an imaging lens arranged on a light exit side of the display screen and used for imaging an image displayed on the display screen; and a curved reflecting mirror arranged on the side of the imaging lens facing away from the display screen and used for receiving imaging light of the imaging lens and reflecting said light to the position where human eyes are located. Relative positions of the display screen and the imaging lens are fixed, and the imaging lens and the curved reflecting mirror adopt a separate structure.Type: ApplicationFiled: May 12, 2021Publication date: June 8, 2023Inventors: Yulong WU, Chenru WANG, Ke LI, Jiarong BAI, Na HAN, Ruijun DONG, Lili CHEN, Yufan DU, Tengfei CHEN, Hao ZHANG, Zhenhuan TIAN
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Publication number: 20230168423Abstract: Provided is a near-eye display apparatus, comprising: a first display (11), used for displaying a first image, entering a beam splitter (30) by means of a first imaging lens (12); a second display (21), used for displaying a second image, entering the beam splitter (30) by means of a second imaging lens (22), the beam splitter (30) being used for transmitting the imaging light beam of the first imaging lens (12) and reflecting the imaging light beam of the second imaging lens (22); a waveguide plate (40), located on the light exit path of the beam splitter (30), and used for receiving outgoing light from the beam splitter (30) and transmitting same; the waveguide plate (40) is internally provided with a light-taking component (400), the light-taking component (400) being used for reflecting the imaging light beam transmitted in the waveguide plate (40) toward a position where a human eye is located.Type: ApplicationFiled: October 11, 2021Publication date: June 1, 2023Inventors: Chenru WANG, Na HAN, Ruijun DONG, Ke LI, Yulong WU, Jiarong BAI, Lili CHEN, Hao ZHANG
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Publication number: 20230161173Abstract: A display system based on a four-dimensional light field, and a display method therefor. The display system includes: a light source module (11), a display panel (12), and a light conduction component (13), wherein the light source module (11) includes a plurality of light sources arranged in an array; and the display panel (12) is a reflective liquid crystal display panel, and the display panel (12) includes a plurality of pixel units arranged in an array. Light emitted by the light sources in the light source module (11) irradiates the pixel units in the display panel (12); and the pixel units in the display panel (12) transmit the received light to a target position by means of the light conduction component (13).Type: ApplicationFiled: May 25, 2021Publication date: May 25, 2023Inventors: Ruijun DONG, Hao ZHANG, Chenru WANG, Ke LI, Yulong WU, Jiarong BAI, Na HAN
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Patent number: 11586045Abstract: The present disclosure discloses a near-eye display apparatus including: a first display screen and a second display screen; and a first collimating lens, a second collimating lens, a first polarization converter which converts emitted light of the first display screen into first circularly polarized light, a second polarization converter which converts emitted light of the second display screen into second circularly polarized light, a waveguide plate configured to conduct the first circularly polarized light and the second circularly polarized light, and a super lens which is located in a light emitting region of the waveguide plate.Type: GrantFiled: March 19, 2021Date of Patent: February 21, 2023Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Na Han, Chenru Wang, Ruijun Dong, Yulong Wu, Ke Li, Jiarong Bai, Hao Zhang
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Patent number: 11579483Abstract: A near-to-eye display device, includes: a display screen configured to display different images in a first time division mode, a polarization converter at a light-emitting side of the display screen and configured to convert emitted light of the different images displayed by the display screen into first circularly polarized light rays and second circularly polarized light rays in a second time division mode. Here the first circularly polarized light rays and the second circularly polarized light rays are opposite in rotation direction. The device further includes a polarization lens at a side facing away from the display screen of the polarization converter, and a focusing lens at a side facing away from the display screen of the polarization converter. The polarization lens and the focusing lens are configured to focus the first circularly polarized light rays and the second circularly polarized light rays at positions of different focal lengths.Type: GrantFiled: August 25, 2021Date of Patent: February 14, 2023Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Ruijun Dong, Xue Dong, Hao Zhang, Wenhong Tian, Yulong Wu, Chenru Wang, Ke Li, Jiarong Bai, Na Han
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Publication number: 20230038591Abstract: A near-eye display device, including: a display screen (1) used for image display; an imaging lens (2) located at a light emission side of the display screen (1) and used for imaging a displayed image of the display screen (1); a flat plate (3) located on the side of the imaging lens (2) facing away from the display screen (1) and obliquely arranged relative to the optical axis of the imaging lens (2); a phase retardation layer (4) located on the side of the flat plate (3) facing the imaging lens (2); a polarization beam-splitting layer (5) located between the phase retardation layer (4) and the flat plate (3); a polarizing layer (6) located between the polarization splitting layer (5) and the flat plate (3); and a curved mirror (7).Type: ApplicationFiled: August 4, 2021Publication date: February 9, 2023Inventors: Ruijun DONG, Hao ZHANG, Lili CHEN, Yulong WU, Ke LI, Chenru WANG, Jiarong BAI, Na HAN
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Publication number: 20220326521Abstract: An optical system, a display apparatus, and smart glasses are provided. The optical system includes a transflective element, a reflective element and a plurality of microstructures. The transflective element is configured to reflect collimated incident light to the reflective element. The reflective element is configured to reflect the collimated incident light back to a light incident surface of the transflective element, so as to adjust an angle at which the collimated incident light exits. The transflective element is further configured to transmit the reflected-back collimated incident light to a target region. The plurality of microstructures are configured to adjust angles at which ambient stray light incident on surfaces thereof exits, and to scatter the ambient stray light out of the target region.Type: ApplicationFiled: December 30, 2020Publication date: October 13, 2022Inventors: Ruijun DONG, Chenru WANG, Ke LI, Yulong WU, Na HAN, Jiarong BAI
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Publication number: 20220276490Abstract: Disclosed is a near eye display apparatus, comprising a display screen and an imaging system. The imaging system comprises a biconvex lens, a transflective plane mirror and a transflective curved mirror. The biconvex lens is configured to magnify a display image of the display screen; the transflective plane mirror is configured to receive imaging light from the biconvex lens and reflect same to the transflective curved mirror; and the transflective curved mirror is configured to converge the imaging light and reflect same to the position(s) where human eyes are located.Type: ApplicationFiled: January 7, 2021Publication date: September 1, 2022Inventors: Yulong WU, Ke LI, Ruijun DONG, Chenru WANG, Na HAN, Jiarong BAI, Lili CHEN, Hao ZHANG
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Publication number: 20220099974Abstract: The present disclosure discloses a near-eye display apparatus including: a first display screen and a second display screen; and a first collimating lens, a second collimating lens, a first polarization converter which converts emitted light of the first display screen into first circularly polarized light, a second polarization converter which converts emitted light of the second display screen into second circularly polarized light, a waveguide plate configured to conduct the first circularly polarized light and the second circularly polarized light, and a super lens which is located in a light emitting region of the waveguide plate.Type: ApplicationFiled: March 19, 2021Publication date: March 31, 2022Inventors: Na HAN, Chenru WANG, Ruijun DONG, Yulong WU, Ke LI, Jiarong BAI, Hao ZHANG
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Publication number: 20220100030Abstract: A near-to-eye display device, includes: a display screen configured to display different images in a first time division mode, a polarization converter at a light-emitting side of the display screen and configured to convert emitted light of the different images displayed by the display screen into first circularly polarized light rays and second circularly polarized light rays in a second time division mode. Here the first circularly polarized light rays and the second circularly polarized light rays are opposite in rotation direction. The device further includes a polarization lens at a side facing away from the display screen of the polarization converter, and a focusing lens at a side facing away from the display screen of the polarization converter. The polarization lens and the focusing lens are configured to focus the first circularly polarized light rays and the second circularly polarized light rays at positions of different focal lengths.Type: ApplicationFiled: August 25, 2021Publication date: March 31, 2022Inventors: Ruijun DONG, Xue DONG, Hao ZHANG, Wenhong TIAN, Yulong WU, Chenru WANG, Ke LI, Jiarong BAI, Na HAN
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Publication number: 20220075193Abstract: The disclosure discloses a near-to-eye display device, including: a first display screen, a first imaging lens, a second display screen, a second imaging lens and a waveguide. The first display screen provides a first image and the first image enters the waveguide through the first imaging lens. The second display screen provides a second image, the second image enters the waveguide through the second imaging lens. Imaging light rays from the first imaging lens and the second imaging lens can emit towards a light-emitting surface of the waveguide via a light taking part, and enter the human eyes.Type: ApplicationFiled: August 18, 2021Publication date: March 10, 2022Inventors: Na HAN, Chenru WANG, Ruijun DONG, Yulong WU, Ke LI, Jiarong BAI, Hao ZHANG