# US 2024/0201844 A1 · Display apparatus and electronic device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2024/0201844 A1 - Document ID: US20240201844A1 - Status: Published application - Kind: A1 - Application number: 18/588,925 - Filed: 2024-02-27 - Published: 2024-06-20 - Earliest claimed: 2021-08-28 - Assignees: Shenzhen Yinwang Intelligent Technologies Co., Ltd. - Applicants: Huawei Technologies Co., Ltd. - Inventors: Zhentao Qin; Lei Mao; Zhiyong Huang - Web page: https://patentgrep.com/patent/US20240201844A1 ## CPC - G06F 3/04886: by partitioning the display area of the touch-screen or the surface of the digitising tablet into independently controllable areas, e.g. virtual keyboards or menus - B60K 35/00: Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles - B60K 35/10: Input arrangements, i.e. from user to vehicle, associated with vehicle functions or specially adapted therefor - G03B 21/28: Reflectors in projection beam {(in illumination beam G03B21/2066)} - G06F 1/1639: {the display being based on projection} - G06F 3/0421: {by interrupting or reflecting a light beam, e.g. optical touch-screen} - G06F 3/0488: using a touch-screen or digitiser, e.g. input of commands through traced gestures - G06T 11/00: Two-dimensional [2D] image generation - B60K 35/23: Head-up displays [HUD] (optical aspects of head-up displays G02B27/01) - B60K 2360/1438: Touch screens - B60K 2360/25: using filters - B60K 2360/334: Projection means - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - B60K: ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES - G03B: APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR (optical parts of such apparatus G02B; photosensitive materials or processes for photographic purposes G03C; apparatus for processing exposed photographic materials G03D) - G06T: IMAGE DATA PROCESSING OR GENERATION, IN GENERAL ## Abstract A apparatus includes a picture generation unit, an enlarging and display unit, and a touch control unit. The picture generation unit is configured to generate a source image. The enlarging and display unit is configured to enlarge the source image generated by the picture generation unit. In addition, the picture generation unit is further configured to generate and project a touchscreen. The touch control unit is configured to detect and respond to a touch operation performed by a user on the touchscreen. ## Claims ### Claim 1 A display apparatus, comprising: a picture generation unit, comprising a first light source, a first imaging module, and a first touch projection module, wherein the first imaging module comprises a first display, and the first touch projection module comprises a light filter and a projection lens; an enlarging and display unit, comprising a curved mirror, a diffuser, and a polarizing film; and a touch controller configured to control a touchscreen; wherein the picture generation unit is configured to generate a source image; wherein the enlarging and display unit is configured to enlarge the source image and form an enlarged virtual image; wherein the picture generation unit is further configured to generate and project a touchscreen outwards; and wherein the touch controller is configured to detect and respond to a touch operation performed by a user on the touchscreen. ### Claim 2 (depends on 1) The display apparatus according to claim 1, wherein: the first light source is configured to output a first light beam to the first imaging module and output a second light beam to the first touch projection module; the first imaging module is configured to generate the source image based on the first light beam; and the first touch projection module is configured to generate and project the touchscreen based on the second light beam. ### Claim 3 (depends on 2) The display apparatus according to claim 2, wherein the second light beam is input into the projection lens, and the light filter is located on a light-emitting side of the projection lens. ### Claim 4 (depends on 3) The display apparatus according to claim 3, wherein the first touch projection module further comprises a mechanism for adjusting a distance between the light filter and the projection lens. ### Claim 5 (depends on 3) The display apparatus according to claim 3, wherein the first touch projection module further comprises a reflector configured to reflect the second light beam to the projection lens. ### Claim 6 (depends on 1) The display apparatus according to claim 1, wherein: the first light source is configured to output a light beam to the first imaging module; the first imaging module is configured to generate the source image and the touchscreen based on the input light beam; and the first touch projection module is configured to project the touchscreen. ### Claim 7 (depends on 1) The display apparatus according to claim 1, wherein the touch controller is further configured to generate a control signal, and send the control signal to the picture generation unit or the enlarging and display unit. ### Claim 8 (depends on 1) The display apparatus according to claim 1, wherein the touch controller comprises a signal transmitter and a signal detector, the signal transmitter is configured to transmit an infrared signal or a laser signal to the touchscreen, and the signal detector is configured to detect a signal reflected after the user touches the touchscreen. ### Claim 9 (depends on 8) The display apparatus according to claim 8, wherein the signal detector is further configured to generate a control signal, and send the control signal to the picture generation unit or the enlarging and display unit. ### Claim 10 (depends on 1) The display apparatus according to claim 1, wherein the curved mirror is configured to enlarge the generated source image and form the enlarged virtual image. ### Claim 11 (depends on 10) The display apparatus according to claim 10, wherein the diffuser is configured to receive the source image generated by the picture generation unit and diffusely reflect the source image to the curved mirror. ### Claim 12 (depends on 11) The display apparatus according to claim 11, wherein the polarizing film is located behind the diffuser. ### Claim 13 (depends on 11) The display apparatus according to claim 11, further comprising: a directional diffusion film, the directional diffusion film is located behind the diffuser, and the directional diffusion film is configured to enlarge a transverse scattering angle of the source image obtained by performing a diffuse reflection. ### Claim 14 (depends on 10) The display apparatus according to claim 10, wherein the curved mirror is a multifocal curved mirror or an arbitrarily curved mirror. ### Claim 15 (depends on 1) The display apparatus according to claim 1, wherein the source image is generated in a first area of the first imaging module, and the touchscreen is generated in a second area of the first imaging module. ### Claim 16 (depends on 3) The display apparatus according to claim 3, wherein the first imaging module alternately displays the source image and the touchscreen in a time division manner. ### Claim 17 A transportation device, comprising a display apparatus, wherein the display apparatus comprises: a picture generation unit, comprising a first light source, a first imaging module, and a first touch projection module, wherein the first imaging module comprises a first display, and the first touch projection module comprises a light filter and a projection lens; an enlarging and display unit, comprising a curved mirror, a diffuser, and a polarizing film; and a touch controller, configured to control a touchscreen; wherein the picture generation unit is configured to generate a source image; wherein the enlarging and display unit is configured to enlarge the source image and form an enlarged virtual image; wherein the picture generation unit is further configured to generate and project the touchscreen outwards; and wherein the touch controller is configured to detect and respond to a touch operation performed by a user on the touchscreen. ### Claim 18 (depends on 17) The transportation device according to claim 17, wherein: the first light source is configured to output a first light beam to the first imaging module and output a second light beam to the first touch projection module; the first imaging module is configured to generate the source image based on the first light beam; and the first touch projection module is configured to generate and project the touchscreen based on the second light beam. ### Claim 19 (depends on 17) The transportation device according to claim 17, wherein: the first light source is configured to output a light beam to the first imaging module; the first imaging module is configured to generate the source image and the touchscreen based on the input light beam; and the first touch projection module is configured to project the touchscreen. ### Claim 20 (depends on 17) The transportation device according to claim 17, wherein the display apparatus is mounted on a seat of the transportation means.