Boe Technology Group Co., Ltd.

Beijing Boe Optoelectronics Technology Co., Ltd.

Beijing Boe Display Technology Co., Ltd.

Beijing Boe Technology Development Co., Ltd.

Jiarong Bai

Ruijun Dong

Chenru Wang

Yulong Wu

Na Han

Hao Zhang

Ke Li

Lili Chen

Ke Zhao Li

Haitao Huang

Zhanshan Ma

Xue Dong

Wenhong Tian

Yufan Du

Zhenhuan Tian

Tengfei Chen

Provided is a near-eye display apparatus, comprising: a first display (), used for displaying a first image, entering a beam splitter () by means of a first imaging lens (); a second display (), used for displaying a second image, entering the beam splitter () by means of a second imaging lens (), the beam splitter () being used for transmitting the imaging light beam of the first imaging lens () and reflecting the imaging light beam of the second imaging lens (); a waveguide plate (), located on the light exit path of the beam splitter (), and used for receiving outgoing light from the beam splitter () and transmitting same; the waveguide plate () is internally provided with a light-taking component (), the light-taking component () being used for reflecting the imaging light beam transmitted in the waveguide plate () toward a position where a human eye is located. The image distances of the first imaging lens () and the second imaging lens () are different, thus it is possible to display the first image and the second image on two image planes, and, by means of adjusting the human eye, when observing an image of an image plane the image of the other image plane is blurry, which is consistent with a sensation of viewing an actual scene, thus eliminating vergence-accommodation conflict.

Near-eye display apparatus

An optical system has an optical axis, and includes a positive focal power lens, a negative focal power lens and a display. The positive focal power lens includes a first convex surface away from the display and a second convex surface proximate to the display. The negative focal power lens includes a third convex surface away from the display and a fourth concave surface proximate to the display. For a refractive index of the positive focal power lens and a refractive index of the negative focal power lens, one is greater than another, and a greater refractive index is a first refractive index, a smaller refractive index is a second refractive index, the first refractive index is greater than 1.7, the second refractive index is greater than 1.5, and a ratio of the first refractive index to the second refractive index is less than or equal to 2.

Optical system and VR display device

A near-eye display device, including: a display screen () used for image display; an imaging lens () located at a light emission side of the display screen () and used for imaging a displayed image of the display screen (); a flat plate () located on the side of the imaging lens () facing away from the display screen () and obliquely arranged relative to the optical axis of the imaging lens (); a phase retardation layer () located on the side of the flat plate () facing the imaging lens (); a polarization beam-splitting layer () located between the phase retardation layer () and the flat plate (); a polarizing layer () located between the polarization splitting layer () and the flat plate (); and a curved mirror ().

Near-eye display device

A head-up display system and a display apparatus are provided in this disclosure, which relates to a technical field of displaying. The head-up display system includes a display unit; a light splitting unit provided on a light emitting side of the display unit and configured to transmit a first linearly polarized light and block a second linearly polarized light, light emitted by the display unit being converted into the first linearly polarized light after passing through the light splitting unit; a light-transmitting substrate; a first imaging unit provided on an optical path from the light splitting unit to the light-transmitting substrate and configured to be able to transmit and reflect the first linearly polarized light; and a second imaging unit provided on a side of the light-transmitting substrate away from the first imaging unit, and configured to reflect the first linearly polarized light transmitted through the light-transmitting substrate.

Head-up display system, display apparatus and driving apparatus

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.

Head up display system

Provided are a device and a method for eliminating a stray light of a Fresnel lens and an optical apparatus. The device for eliminating a stray light of a Fresnel lens includes: at least one Fresnel lens body, wherein each Fresnel lens body has a flat surface and a concave-convex surface that are arranged oppositely, the concave-convex surface is provided with a plurality of optical parts, and each of the optical parts is provided with an optically working surface and an optically invalid surface; and at least one electro-barrier provided with a plurality of pixels arranged in an array, wherein the plurality of pixels are controllable to be turned on or off by an electrical signal to form a blocking region, and the blocking region is configured to block the optically invalid surface.

Device and method for eliminating stray light of Fresnel lens, and optical apparatus

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.

Near eye display apparatus

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.

Optical system, display apparatus, and smart glasses

Provided are an optical waveguide structure, an Augmented Reality (AR) device, and a method for obtaining an emergent light efficiency of an optical waveguide structure, which relates to the technical field of display. The optical waveguide structure includes: an optical waveguide body, a coupling-in grating disposed at the optical waveguide body, and a plurality of coupling-out gratings distributed and arranged. The coupling-in grating is configured to couple image light into the optical waveguide body. The optical waveguide body is configured to generate a total internal reflection of the image light to the coupling-out gratings. Diffraction efficiencies of each of the coupling-out gratings are different, and each of the coupling-out gratings is configured to couple the image light out of the optical waveguide body at the same brightness.

Optical waveguide structure, AR device, and method for obtaining emergent light efficiency of optical waveguide structure

A display system based on a four-dimensional light field, and a display method therefor. The display system includes: a light source module (), a display panel (), and a light conduction component (), wherein the light source module () includes a plurality of light sources arranged in an array; and the display panel () is a reflective liquid crystal display panel, and the display panel () includes a plurality of pixel units arranged in an array. Light emitted by the light sources in the light source module () irradiates the pixel units in the display panel (); and the pixel units in the display panel () transmit the received light to a target position by means of the light conduction component ().

Display system based on four-dimensional light field, and display method therefor

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.

Near-to-eye display device

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.

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.

Growing community of inventors

Beijing, China

Jiarong Bai