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CN-121982993-A - Display device and display method

CN121982993ACN 121982993 ACN121982993 ACN 121982993ACN-121982993-A

Abstract

The display device and the display method comprise a display panel, wherein the display panel comprises a light-emitting substrate and a micro-lens array, a visual positioning device is arranged on one side of the display panel and is configured to acquire pupil coordinate information of different visual angles and transmit the pupil coordinate information to a processor, the processor is configured to control pixel light-emitting time sequences to work cooperatively with a phase modulation function of the micro-lens array according to the pupil coordinate information of the different visual angles to change light emergent directions, and control the display panel to output a first visual angle image refracted by the micro-lens array to a first visual angle and output a second visual angle image diffracted by the micro-lens array to a second visual angle. Therefore, the dynamic multi-view display can be realized on the same display device, different view angle pictures of different users can be met at the same time, the dynamic multi-view display can be realized without sacrificing the resolution, and the picture crosstalk is reduced.

Inventors

  • LI YINCHUAN

Assignees

  • 武汉天马微电子有限公司

Dates

Publication Date
20260505
Application Date
20260318

Claims (15)

  1. 1. A display device is characterized by comprising a display panel, The display panel comprises a light-emitting substrate and a micro lens array positioned on one side of a light-emitting surface of the light-emitting substrate; The visual positioning device is positioned on one side of the display panel along the direction parallel to the plane of the display device, and is configured to acquire the pupil coordinate information of the first view angle and the pupil coordinate information of the second view angle and transmit the information to the processor; The display device comprises a light emitting substrate, a processor, a display panel and a micro lens array, wherein the light emitting substrate is arranged on the light emitting substrate, the processor is configured to control pixel light emitting time sequence in the light emitting substrate to work cooperatively with a phase modulation function of the micro lens array according to the pupil coordinate information of the first view angle and the pupil coordinate information of the second view angle, change the light emitting direction of the light emitting substrate, and control the display panel to output a first view angle image refracted by the micro lens array to the first view angle and output a second view angle image diffracted by the micro lens array to the second view angle.
  2. 2. The display device according to claim 1, wherein the microlens array includes microlenses arranged periodically, and a pitch between adjacent microlenses is 50 μm or less.
  3. 3. The display device according to claim 2, wherein the light-emitting substrate includes pixel groups arranged in an array, each of the microlenses covers one of the pixel groups, and an optical center of the microlens coincides with a center of the pixel group.
  4. 4. The display device according to claim 2, wherein gaps between adjacent microlenses are filled with a first medium, and a difference between a refractive index of the microlenses and a refractive index of the first medium is greater than or equal to 0.8.
  5. 5. The display device of claim 1, wherein the microlens array comprises one or more of titanium dioxide, silicon nitride, zinc oxide, and hafnium dioxide.
  6. 6. The display device according to claim 2, wherein a maximum height of the microlens in a thickness direction of the light emitting substrate is required to satisfy: h(x)=λ•Φ(x)/2π(n-1); Wherein lambda is visible light wavelength, n is refractive index of the micro-lens material, phi (x) is a phase modulation function, phi (x) =k 0 ·sin(Δθ)·x,k 0 is wave number, k 0 =2pi/lambda, an included angle between a first view angle and the normal direction of the center of the display panel is a first included angle theta 1, an included angle between a second view angle and the normal direction of the center of the display panel is a second included angle theta 2, delta theta is an absolute value of a difference value between theta 1 and theta 2, and x is an abscissa of any point on the upper surface of the micro-lens.
  7. 7. The display device of claim 1, wherein the display panel comprises an encapsulation layer covering the light-emitting surface of the light-emitting substrate, and the microlens array is located on a side of the encapsulation layer facing away from the light-emitting substrate.
  8. 8. The display device of claim 1, wherein the display panel comprises an encapsulation layer and a touch layer, the encapsulation layer covers the light-emitting surface of the light-emitting substrate, the touch layer is located on a side of the encapsulation layer away from the light-emitting substrate, and the microlens array is located on a side of the touch layer away from the encapsulation layer.
  9. 9. The display device of claim 2, wherein the display panel comprises an encapsulation layer and a touch layer, the encapsulation layer covers the light-emitting surface of the light-emitting substrate, the microlens array is located at a side of the encapsulation layer away from the light-emitting substrate, and the microlens array is located inside the touch layer.
  10. 10. The display device according to claim 1, wherein light emitted from the light-emitting substrate is refracted by the microlens array to a greater intensity than light diffracted by the microlens array.
  11. 11. A display method of a display device, which performs display using the display device according to any one of claims 1 to 10, comprising: the visual positioning device respectively acquires the pupil coordinate information of the first view angle and the pupil coordinate information of the second view angle; the processor controls the pixel luminous time sequence in the luminous substrate to work cooperatively with the phase modulation function of the micro lens array according to the pupil coordinate information of the first view angle and the pupil coordinate information of the second view angle to change the light beam emergent direction of the luminous substrate, and controls the display panel to output a first view angle image refracted by the micro lens array to the first view angle and output a second view angle image diffracted by the micro lens array to the second view angle.
  12. 12. The display method of claim 11, wherein the controlling the display panel outputs a first viewing angle image refracted by the microlens array to a first viewing angle and outputs a second viewing angle image diffracted by the microlens array to a second viewing angle, specifically: The processor calculates a first view angle vector and a second view angle vector based on the known coordinates of the center point or four corner points of the display panel, the pupil coordinate information of the first view angle and the pupil coordinate information of the second view angle, calculates a first included angle between the first view angle vector and the center normal direction of the display panel, and calculates a second included angle between the second view angle vector and the center normal direction of the display panel; When the absolute value of the difference between the first included angle and the second included angle is larger than 15 degrees, the processor renders the same frame of picture respectively, and outputs first view angle image data and second view angle image data to the display panel respectively for the first view angle and the second view angle, wherein the display panel outputs a first view angle image refracted by the micro-lens array to the first view angle, and outputs a second view angle image diffracted by the micro-lens array to the second view angle.
  13. 13. The display method of the display device according to claim 12, wherein the processor renders the same frame of pictures respectively, and outputs first view image data and second view image data to the display panel for the first view and the second view respectively, specifically: the processor outputs raw image data to the display panel for the first viewing angle, and the processor outputs compensated image data to the display panel for the second viewing angle.
  14. 14. The display method of the display device according to claim 13, wherein the compensated image data acquisition method is: The processor calculates inverse gamma curve data corresponding to the original image data, applies the inverse gamma curve data to the original image, and generates inverse gamma corrected image data.
  15. 15. The display method of the display device according to claim 11, comprising the steps of, the luminance of the second view image is L' =k (θ) & V comp λ ; Wherein k (θ) is a viewing angle-dependent correction coefficient for adjusting the intensity of the inverse gamma curve, V comp is an inverse gamma-corrected image signal, V comp =V in 1/λ ,V in is an original image signal, λ=2.2 or 2.4.

Description

Display device and display method Technical Field The disclosure relates to the technical field of display, and in particular relates to a display device and a display method. Background An OLED (Organic Light-Emitting Diode) is a new generation of display technology, and exhibits great application potential in the display field by virtue of its advantages of self-luminescence, high contrast, wide viewing angle, fast response, light, thin and flexible properties, etc. In the vehicle-mounted OLED display, the requirement of different visual angle pictures of a driver and a passenger is generally met, the resolution is easily sacrificed in the traditional split screen display, the body movement of the driver or the passenger cannot be dynamically adapted, and picture crosstalk is easily generated when the body shakes greatly. Therefore, how to simultaneously satisfy different viewing angle pictures of different users in a display device, realize dynamic multi-viewing angle display without sacrificing resolution, and reduce picture crosstalk is a technical problem to be solved by those skilled in the art. Disclosure of Invention In order to solve the technical problems described above, the present disclosure provides a display device and a display method, which are used for simultaneously satisfying different viewing angle pictures of different users in one display device, realizing dynamic multi-viewing angle display without sacrificing resolution, and reducing picture crosstalk. The disclosure provides a display device, which comprises a display panel, a visual positioning device, a processor and a display module, wherein the display panel comprises a light-emitting substrate and a micro lens array positioned on one side of a light-emitting surface of the light-emitting substrate; The display device comprises a light emitting substrate, a processor, a display panel and a micro lens array, wherein the light emitting substrate is arranged on the light emitting substrate, the processor is configured to control pixel light emitting time sequence in the light emitting substrate to work cooperatively with a phase modulation function of the micro lens array according to the pupil coordinate information of the first view angle and the pupil coordinate information of the second view angle, change the light emitting direction of the light emitting substrate, and control the display panel to output a first view angle image refracted by the micro lens array to the first view angle and output a second view angle image diffracted by the micro lens array to the second view angle. Based on the same inventive concept, the disclosure provides a display method of a display device, which adopts the display device to display, and comprises the steps that a visual positioning device respectively acquires the double-pupil coordinate information of a first visual angle and the double-pupil coordinate information of a second visual angle; the processor controls the pixel luminous time sequence in the luminous substrate to work cooperatively with the phase modulation function of the micro lens array according to the pupil coordinate information of the first view angle and the pupil coordinate information of the second view angle to change the light beam emergent direction of the luminous substrate, and controls the display panel to output a first view angle image refracted by the micro lens array to the first view angle and output a second view angle image diffracted by the micro lens array to the second view angle. Compared with the prior art, the technical scheme provided by the embodiment of the disclosure has the advantages that the display device and the display method comprise a display panel, a visual positioning device, a processor and a display panel, wherein the display panel comprises a light-emitting substrate and a micro lens array positioned on one side of a light-emitting surface of the light-emitting substrate, the visual positioning device is positioned on one side of the display panel along the direction parallel to the plane of the display device, the visual positioning device is configured to acquire and transmit the double-pupil coordinate information of a first visual angle and the double-pupil coordinate information of a second visual angle to the processor, the processor is configured to control the light emitting time sequence of pixels in the light-emitting substrate to work cooperatively with a phase modulation function of the micro lens array according to the double-pupil coordinate information of the first visual angle and the double-pupil coordinate information of the second visual angle, the light-emitting direction of the light-emitting substrate is changed, the display panel is controlled to output a first visual angle image refracted by the micro lens array to the first visual angle, and output a second visual angle image diffracted by the micro lens array to the second visual angle. The precise pupi