Patents by Inventor Ruijun Dong
Ruijun Dong 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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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: 20220326538Abstract: The present disclosure provides an optical display system and method, and a display device. The optical display system includes: a display screen; a light split member configured to split light from the display screen into a first polarized light and a second polarized light with different polarization directions; a first optical waveguide configured to guide the first polarized light to a light exit side of the optical display system; and a second optical waveguide located at a light exit side of the first optical waveguide, spaced apart from the first optical waveguide, and configured to at least partially transmit the first polarized light and guide the second polarized light to the light exit side of the optical display system.Type: ApplicationFiled: August 26, 2019Publication date: October 13, 2022Applicants: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Ruijun DONG, Chenru WANG, Yali LUI, Ke LI, Hao ZHANG
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Publication number: 20220317448Abstract: An AR optical system includes a depth-of-field separation structure corresponding to an image source, configured to convert light rays emitted from the image source into a plurality of light beams with different depths of field; a convergent lens located on an emergent light path of the depth-of-field separation structure, and configured to receive and shape the plurality of light beams with different depths of field; a first semi-transmitting semi-reflecting mirror located on a side, away from the depth-of-field separation structure, of the convergent lens, and configured to reflect the plurality of shaped light beams with different depths of field towards a set direction; a concave mirror having a preset transmission-reflection ratio configured to reflect and converge the plurality of light beams with different depths of field and then make the light beam incident to a set observation position after passing through the first semi-transmitting semi-reflecting mirror.Type: ApplicationFiled: January 11, 2021Publication date: October 6, 2022Inventors: Ke LI, Yulong WU, Ruijun DONG, Yali LIU, Chenru WANG, Hao ZHANG
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Publication number: 20220308368Abstract: A display device includes: an optical waveguide (15) comprising an optical waveguide body (151) and a light outputting section (152) disposed on the optical waveguide body (151); M lens assemblies (13, 14) disposed adjacent to an end of the optical waveguide body (151), wherein at least two lens assemblies (13, 14) of the M lens assemblies (13, 14) have different focal lengths, and M is a natural number greater than one; and M display screens (11, 12) corresponding to the M lens assemblies (13, 14) in one-to-one correspondence, each of the M display screens (11, 12) configured to emit light with image information through a corresponding lens assembly (13, 14) to the optical waveguide body (151) for transmission; wherein the light outputting section (152) is configured to output the light from the M display screens (11, 12) out of the optical waveguide body (151) for imaging, the light from the M display screens (11, 12) form M images, respectively, and at least two images of the M images have different imageType: ApplicationFiled: September 18, 2020Publication date: September 29, 2022Inventors: Chenru WANG, Yali LIU, Ruijun DONG, Ke LI, Hao ZHANG
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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: 20220252885Abstract: An optical display system, a control method, and a display device, relates to the field of display technology. The optical display system comprises a display screen a first light splitting unit disposed at a display side of the display screen; a first imaging unit comprising a light splitting film disposed at a light-incident surface of the first imaging unit; a second light splitting unit disposed at a light emission side of the first imaging unit; a phase modulation unit disposed at least in a light path from the first imaging unit to the second light splitting unit; wherein, the first-type polarized light transmitted from the first light splitting unit is transmitted from a light emission side of the second light splitting unit, after being turned back multiple times between the first imaging unit and the second light splitting unit.Type: ApplicationFiled: March 18, 2021Publication date: August 11, 2022Inventors: Chenru WANG, Ruijun DONG, Ke LI, Yulong WU, Lili CHEN, Hao ZHANG, Feng QU
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Patent number: 11402900Abstract: The present disclosure relates to the field of augmented reality technology, and provides a display device that includes a display configured to display an image and a movement controller configured to control a movement state of the display device according to displacement instruction information such that the display and a target object conform to a mutual position relationship.Type: GrantFiled: January 3, 2020Date of Patent: August 2, 2022Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yali Liu, Chenru Wang, Ruijun Dong, Xuebing Zhang, Ke Li, Hao Zhang, Lili Chen
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Patent number: 11397333Abstract: An optical display system and an AR/VR display device are provided. The optical display system includes: a display screen; a first optical structure, disposed on a light emitting side of the display screen, and configured to divide light from the display screen into different types of polarized light; and a second optical structure, disposed on an emitting path of the different types of polarized light to an image forming side, and configured to form a plurality of virtual image planes corresponding to at least two focal lengths.Type: GrantFiled: September 9, 2019Date of Patent: July 26, 2022Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Chenru Wang, Hao Zhang, Lili Chen, Ruijun Dong, Yali Liu, Ke Li
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Patent number: 11391882Abstract: An optical waveguide element and control method thereof, a backlight module and a display device. The optical waveguide element includes a cavity, a light incident surface and a light emergent surface, light entering the cavity from the light incident surface is configured to propagate and be totally reflected in the cavity; and a reflector array, located in the cavity and configured to be controllable to cause at least a part of the light incident on the reflector array to be reflected out of the light emergent surface or to continue being totally reflected at the light emergent surface.Type: GrantFiled: December 11, 2018Date of Patent: July 19, 2022Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Ruijun Dong, Hao Zhang, Chenru Wang, Lili Chen, Xuebing Zhang, Yali Liu, Junjie Miao, Ke Li
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Patent number: 11354925Abstract: A method for identifying body representation information in an image, includes: determining a skeleton-like line of a body in the image; and then performing identification of the body representation information according to the skeleton-like line. An apparatus, and a device for identifying body representation information in an image and a storage medium are also provided.Type: GrantFiled: December 4, 2018Date of Patent: June 7, 2022Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Guixin Yan, Hao Zhang, Lili Chen, Minglei Chu, Jian Sun, Jinghua Miao, Wenhong Tian, Ruijun Dong, Bin Zhao, Ziqiang Guo
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Patent number: 11335283Abstract: A display device and a display method thereof, and a display equipment are disclosed. The display device includes a display panel and a light transmittance adjusting layer, the display panel includes a plurality of pixel regions, the light transmittance adjusting layer is stacked with the display panel, and the light transmittance adjusting layer is configured to adjust display brightness of the plurality of pixel regions.Type: GrantFiled: October 25, 2018Date of Patent: May 17, 2022Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Chenru Wang, Yali Liu, Hao Zhang, Lili Chen, Ruijun Dong, Xuebing Zhang, Ke Li
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Patent number: 11300789Abstract: The present disclosure relates to augmented reality glasses, including: a transparent display device for displaying an image; a polarizing element configured to convert external light incident to the transparent display device into polarized light in the first direction of the external light, which polarized light transmits through the transparent display device; a light-splitting element configured to transmit polarized light in the first direction of light for displaying the image and polarized light in the first direction of the external light, and reflect polarized light in the second direction of the light for displaying the image; and a light-reflecting structure configured to receive the polarized light in the second direction reflected by the light-splitting element and totally reflect it into a viewing angle range of eyes of a user wearing the augmented reality glasses. The glasses will not block the line of sight on the side of the user.Type: GrantFiled: September 7, 2018Date of Patent: April 12, 2022Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Ruijun Dong, Hao Zhang, Lili Chen, Chenru Wang, Xuebing Zhang, Yali Liu
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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: 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: 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
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Patent number: 11262486Abstract: The present disclosure provides an optical lens, glasses and a display device. The optical lens includes: a first surface, a second surface, a first lens portion and a second lens portion. The optical lens is a convex lens. The first surface and the second surface are at two side surfaces of the optical lens. The first surface is a convex aspheric surface, and the second surface is a Fresnel surface with a recessed curved base. The first lens portion and the second lens portion are adjacent each other and connected in a direction perpendicular to a main optical axis of the optical lens. A first focal point of the first lens portion and a second focal point of the second lens portion are on the main optical axis, and a focal length of the second lens portion is greater than a focal length of the first lens portion.Type: GrantFiled: December 7, 2018Date of Patent: March 1, 2022Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Ruijun Dong, Hao Zhang, Chenru Wang, Xuebing Zhang, Yali Liu, Lili Chen
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Patent number: 11231580Abstract: Embodiments of the disclosure relate to an eye tracking device and a virtual reality imaging apparatus. The eye tracking device includes an electromagnetic radiation source configured to emit electromagnetic radiation toward an eye, a lens having a first side surface facing the eye and a second side surface opposite the first side surface, a first reflective film on the first side surface of the lens for reflecting the electromagnetic radiation, a second reflective film on the second side surface of the lens for reflecting the electromagnetic radiation, and an imaging means configured to receive the electromagnetic radiation from the eye, wherein the first reflective film and the second reflective film are positioned to direct the electromagnetic radiation from the eye to the imaging means.Type: GrantFiled: November 26, 2018Date of Patent: January 25, 2022Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xuebing Zhang, Chenru Wang, Ruijun Dong, Yali Liu, Hao Zhang, Lili Chen
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Publication number: 20210405354Abstract: A method and apparatus for optimizing a lens of a virtual reality device and a computer readable storage medium. The method for optimizing a lens of a virtual reality device includes setting an optimization objective and optimization variables for imaging with a lens; and performing optimization processing on the imaging of an object point through the lens by the optimization variables, and obtaining a lens parameter value by which the imaging result is in accordance with the optimization objective, an image surface of the imaging of the object point through the lens being an image surface on which the astigmatism is less than a preset threshold.Type: ApplicationFiled: December 21, 2018Publication date: December 30, 2021Inventors: Yali LIU, Chenru WANG, Ruijun DONG, Xuebing ZHANG, Ke LI, Hao ZHANG, Lili CHEN
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Publication number: 20210364798Abstract: A near-eye display apparatus is disclosed. The near-eye display apparatus includes a lens and an optical path folding assembly. The lens is configured to receive incident light of a first image, which is projected by a micro-display, and shape the first image; the lens includes a primary optical axis and a first lens face and a second lens face which are opposed in a first direction where the primary optical axis of the lens is positioned, and both the first lens face and the second lens face are aspheric surfaces; and the optical path folding assembly is configured to receive light of the first image shaped by the lens and fold an optical path from the lens to an exit pupil of the near-eye display apparatus. By adopting the bi-aspherical lens, image quality of the near-eye display apparatus can be improved and the volume can be reduced.Type: ApplicationFiled: December 13, 2019Publication date: November 25, 2021Applicants: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Ruijun Dong, Yali Liu, Chenru Wang, Ke Li, Hao Zhang
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Publication number: 20210365675Abstract: A method for identifying body representation information in an image, includes: determining a skeleton-like line of a body in the image; and then performing identification of the body representation information according to the skeleton-like line. An apparatus, and a device for identifying body representation information in an image and a storage medium are also provided.Type: ApplicationFiled: December 4, 2018Publication date: November 25, 2021Inventors: Guixin YAN, Hao ZHANG, Lili CHEN, Minglei CHU, Jian SUN, Jinghua MlAO, Wenhong TIAN, Ruijun DONG, Bin ZHAO, Ziqiang GUO