WO2017215397A1 - 虚拟曲面显示面板及显示装置 - Google Patents
虚拟曲面显示面板及显示装置 Download PDFInfo
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- WO2017215397A1 WO2017215397A1 PCT/CN2017/084696 CN2017084696W WO2017215397A1 WO 2017215397 A1 WO2017215397 A1 WO 2017215397A1 CN 2017084696 W CN2017084696 W CN 2017084696W WO 2017215397 A1 WO2017215397 A1 WO 2017215397A1
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- WIPO (PCT)
- Prior art keywords
- display panel
- concave
- virtual curved
- concave lens
- concave lenses
- Prior art date
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/0006—Arrays
- G02B3/0037—Arrays characterized by the distribution or form of lenses
- G02B3/0056—Arrays characterized by the distribution or form of lenses arranged along two different directions in a plane, e.g. honeycomb arrangement of lenses
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
- G02B27/0938—Using specific optical elements
- G02B27/0977—Reflective elements
- G02B27/0983—Reflective elements being curved
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133526—Lenses, e.g. microlenses or Fresnel lenses
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/35—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being liquid crystals
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
- G02B19/0004—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed
- G02B19/0009—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed having refractive surfaces only
- G02B19/0014—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed having refractive surfaces only at least one surface having optical power
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
- G02B19/0033—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
- G02B19/0047—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source
Definitions
- the present invention relates to the field of display technologies, and in particular, to a virtual curved display panel and a display device.
- the curved display can better satisfy people's visual experience. Using the curved display, the user's visual experience can be more comfortable, and the painting is more realistic, which can bring better immersive effect.
- a curved display panel is usually formed by physically mechanically bending a flat display panel, but the manner of realizing the curved surface display may cause leakage of the display panel and abnormal color display due to deformation of the edge portion. .
- an embodiment of the present invention provides a virtual curved surface display panel and a display device for displaying a screen effect of a virtual curved surface on a flat display.
- an embodiment of the present invention provides a virtual curved display panel, including: a flat display panel having a plurality of pixel units arranged in a matrix, and a display surface disposed on the display surface of the flat display panel for causing the plurality of The image formed by the pixel unit constitutes a concave lens array; wherein the concave lens array comprises a plurality of concave lenses arranged in an array; a focal length of each of the concave lenses is symmetrically distributed with respect to a vertical axis of symmetry of the display surface; In each of the concave lenses on the same side of the symmetry axis, the focal lengths of the concave lenses having the same distance from the symmetry axis are the same, and the focal lengths of the concave lenses having different distances from the symmetry axis are not equal to each other.
- the curved surface is a curved surface protruding toward the flat display panel.
- a focal length of each of the concave lenses is sequentially decreased as the distance between the concave lens and the symmetry axis increases.
- At least one pixel unit in the planar display panel and the concave lens in the concave lens array respectively have a one-to-one correspondence.
- one sub-pixel unit in the planar display panel and the at least one concave lens in the concave lens array respectively have a one-to-one correspondence.
- one sub-pixel unit in the flat display panel and the plurality of concave lenses in the concave lens array have the same focal length correspond.
- each of the concave lenses is a biconcave lens or a liquid crystal lens.
- each of the concave lenses is a plano-concave lens.
- the concave surface of each of the plano-concave lenses is disposed on a side away from the display surface of the flat display panel, or each of the plano-concave lenses The concave surface is disposed on a side facing the display surface of the flat display panel.
- each of the plano-concave lenses is a cylindrical concave lens.
- each of the plano-concave lenses is a spherical concave lens.
- each of the spherical concave lenses has the same aperture.
- the flat display panel is any one of a liquid crystal display panel, an electroluminescence display panel, a plasma display panel, or an electronic paper. .
- the embodiment of the invention further provides a display device, which is provided by the embodiment of the invention.
- the above virtual curved surface display panel is provided by the embodiment of the invention.
- the concave lens array is disposed on the display surface of the flat display panel, that is, the light exit surface, and the focal length of each concave lens is designed to be relative to the display.
- the vertical axis of symmetry of the faces is symmetrically distributed.
- the focal lengths of the concave lenses having the same distance from the symmetry axis are the same, and the focal lengths of the concave lenses having different distances from the symmetry axis are not equal to each other.
- the image distances formed by the pixel units in the flat display panel are different, so that the images formed by the plurality of pixel units form a curved surface, thereby realizing the effect of displaying a virtual curved surface on the flat display. Enhanced visual impact of viewing.
- FIG. 1a to 1c are respectively schematic structural diagrams of a virtual curved surface display panel according to an embodiment of the present invention.
- FIG. 2 is a schematic diagram showing the principle of display of concave lens imaging
- FIG. 3 is a schematic diagram of a virtual curved surface display panel according to an embodiment of the present invention.
- FIG. 4 is a schematic structural diagram of a virtual curved display panel according to an embodiment of the present invention, wherein a liquid crystal lens is used to implement a concave lens;
- FIG. 5 is a schematic structural diagram of a virtual curved surface display panel according to an embodiment of the present invention, wherein a liquid crystal display panel is used as a flat display panel;
- FIG. 6 is a schematic structural diagram of a virtual curved display panel according to an embodiment of the present invention, wherein an electroluminescent display panel is used as a flat display panel.
- Embodiments of the present invention provide a virtual curved display panel.
- the virtual curved display panel includes: a flat display panel 100 having a plurality of pixel units arranged in a matrix, and a display surface disposed on the display surface of the flat display panel 100 for causing the plurality of The image of the pixel unit constitutes a curved concave lens array 200; wherein the concave lens array 200 includes a plurality of concave lenses 210 arranged in an array; the focal length of each concave lens 210 is relatively The vertical axis of symmetry of the display is symmetrically distributed.
- the focal lengths of the concave lenses 210 having the same distance from the symmetry axis are the same, and the focal lengths of the concave lenses 210 having unequal distances from the symmetry axis are not equal to each other.
- the vertical symmetry axis refers to an axis of symmetry in the vertical direction and parallel to the display surface (shown by an arrow perpendicular to the paper surface in Fig. 1a).
- the axis of symmetry divides the display surface into two regions that are bilaterally symmetrical, such as the position where the concave lens 210 having the focal length f0 is the axis of symmetry in FIGS. 1a and 1b.
- the virtual curved display panel provided by the embodiment of the present invention utilizes the imaging principle of the concave lens 210 to adjust the focal length of each concave lens 210 such that the image distances of the pixel units in the planar display panel 100 are different, so that the plurality of pixel units are different.
- the formed image forms a curved surface, which realizes the effect of displaying the virtual curved surface on the flat display, and enhances the visual impact effect of the viewing.
- the imaging principle of the concave lens is as shown in FIG. 2.
- the object AB is a real object
- the image A'B' is an erected reduced virtual image
- the object AB and the image A'B' are on the same side of the concave lens, and thus the concave lens is used.
- the imaging principle achieves a display effect with respect to the front virtual curved surface of the flat display panel 100.
- Double concave lens focal length is a concave lens focal length
- a denotes the object distance
- b denotes the image distance
- f denotes the focal length of the concave lens
- r denotes the radius of curvature of the concave lens
- n denotes the refractive index of the concave lens
- h denotes the arch height of the concave lens
- d denotes the thinnest portion of the concave lens
- the thickness, p represents the aperture of the concave lens (which is the diameter of the cross section of the concave lens).
- the curved surface formed by the concave lens array 200 is a curved surface protruding toward the flat display panel 100.
- the focal lengths of the concave lenses 210 in the concave lens array 200 as shown in FIGS. 1a and 1b are set: the focal length f of each concave lens 210 is successively decreased as the distance between the concave lens 210 and the axis of symmetry increases, that is, In Fig. 1a and Fig. 1b, a concave lens 210 having a focal length f0 is taken as an axis of symmetry, and f0 ⁇ f1 ⁇ f2 ⁇ f3.
- the concave lens array 200 is a front virtual image, and the imaging trajectory is arranged in a curved surface, thereby realizing the display effect with respect to the front virtual curved surface of the flat display panel 100.
- each concave lens 210 in the concave lens array 200 and each pixel in the flat display panel 100 can be adopted in the following two manners.
- at least one pixel unit RGB in the flat display panel 100 is respectively corresponding to one concave lens 210 in the concave lens array 200, and one concave lens 210 corresponds to one pixel unit RGB as shown in FIG. 1a. Mark 110 is shown), and one concave lens 210 may correspond to a plurality of pixel units RGB.
- one sub-pixel unit R, G or B in the flat display panel 100 is respectively corresponding to at least one concave lens 210 in the concave lens array 200, and one concave lens 210 corresponds to one sub-pixel as shown in FIG. 1b.
- the unit R, G or B may also have a plurality of concave lenses 210 corresponding to one sub-pixel unit R, G or B as shown in FIG. 1c, and the focal lengths of the respective concave lenses corresponding to one sub-pixel unit are uniform.
- an ideal virtual display effect can be obtained by using one sub-pixel unit R, G or B corresponding to three concave lenses 210.
- each concave lens 210 constituting the concave lens array 200 may be a double concave lens with a fixed focal length (ie, both faces shown in FIG. 1a and FIG. 1b are A concave lens) or a plano-concave lens (i.e., a lens having a flat surface as shown in FIG. 3 and a concave surface on the other surface) may also be a liquid crystal lens having an adjustable focal length. As shown in FIG.
- the liquid crystal lens generally includes: an upper substrate 201 and a lower substrate 202 opposite to each other, and a liquid crystal layer 203 disposed therebetween; and a first side disposed on a side of the upper substrate 201 facing the liquid crystal layer 203
- the electrode 204 is provided with a second electrode 205 on a side of the lower substrate 202 facing the liquid crystal layer 203, and controls the corresponding liquid crystal inversion in the liquid crystal layer 203 by controlling the voltage applied between the first electrode 204 and the second electrode 205.
- the optical effect of the concave lens of the desired focal length is provided with a second electrode 205 on a side of the lower substrate 202 facing the liquid crystal layer 203.
- a concave lens array 200 When a concave lens array 200 is formed by using a double concave lens, the effects of spherical aberration, aberration and distortion are smaller than that of a plano-concave lens, so that it has a better display image effect, but it realizes a curved surface display.
- the illustrated implementation process is more difficult than a plano-concave lens. Whether it is a biconcave lens or a plano-concave lens, it can be made of organic materials such as PMMA and resin. Its refractive index is generally controlled at 1.4-1.8.
- the specific manufacturing process can be used but not limited to exposure development, nanoimprinting, laser direct writing or electronic Straight line and other methods.
- the concave surface of each of the plano-concave lenses is generally disposed on a side away from the display surface of the flat display panel 100.
- the concave surface of each of the plano-concave lenses may be disposed on a side facing the display surface of the flat display panel 100, which is not limited herein.
- each of the plano-concave lenses may adopt an aspherical concave lens such as a cylindrical concave lens, or a spherical concave lens. Specifically, the imaging effect is better when a spherical concave lens is used.
- different curvature radii r may correspond to different focal lengths f.
- it is necessary to The radius of curvature of each spherical concave lens is set.
- each spherical concave lens may be set to a certain value, and the apertures of the spherical concave lenses are respectively set to different values to achieve the effect of adjusting the radius of curvature; or, The aperture of each spherical concave lens is set to a certain value, and the arch heights of the respective spherical concave lenses are respectively set to different values to achieve the effect of adjusting the radius of curvature.
- each spherical concave lens is generally set to have the same aperture, so that the radius of curvature of the spherical concave lens is adjusted by adjusting the arch height of each spherical concave lens.
- the concave lens design parameters corresponding to different bending modes can be calculated by the above formula.
- 1000 pixel units are selected.
- Table 1 and Table 2 list the corresponding lens design parameters of the 1000 pixel units, which are bilaterally symmetric.
- the flat display panel 100 may be any one of a liquid crystal display panel, an electroluminescence display panel, a plasma display panel, or an electronic paper.
- FIG. 5 is an example in which the flat display panel 100 is a liquid crystal display panel.
- the liquid crystal display panel includes: an upper substrate 001 and a lower substrate 002 opposite to each other, a liquid crystal layer 003 between the upper substrate 001 and the lower substrate 002, an upper polarizer 004 attached to the upper substrate 001, and an attached The lower polarizer 005 below the lower substrate 002 and the backlight module 006 disposed under the lower polarizer 005.
- the side of the upper polarizer 004 serves as a light-emitting surface which is a display surface of the liquid crystal display panel.
- the concave lens array 200 may be disposed on the upper polarizer 004.
- the light emitted by the backlight module 006 is emitted from the side of the upper polarizer 004 after being modulated by the liquid crystal layer 003, and is refracted by the concave lens 210 having different focal lengths in the concave lens array 200.
- FIG. 6 is an example in which the flat display panel 100 is an electroluminescent display panel.
- the electroluminescent display panel includes an anode 008, a light emitting layer 009, a cathode 010, and a cover 011 disposed on the back plate 007. .
- the pixel unit is not shown in FIGS. 4-6, however, those skilled in the art can understand that, similar to the embodiment shown in FIG. 1, in the flat display panel 100 shown in FIGS. 4-6, multiple The pixel units may be arranged to correspond one-to-one to the plurality of concave lenses 210.
- an embodiment of the present invention further provides a display device, which includes the virtual curved surface display panel provided by the embodiment of the present invention, and the display device may be: a mobile phone, a tablet computer, a television, a display, a notebook computer, and a digital device. Any product or component that has a display function, such as a photo frame or a navigator.
- the display device reference may be made to the embodiment of the virtual curved display panel described above, and the repeated description is omitted.
- the concave lens array is disposed on the display surface of the flat display panel, that is, the light exit surface, and the focal length of each concave lens is designed to be relative to the display.
- the vertical axis of symmetry of the faces is symmetrically distributed.
- the focal lengths of the concave lenses having the same distance from the symmetry axis are the same, and the focal lengths of the concave lenses having different distances from the symmetry axis are not equal to each other.
- the image distances formed by the pixel units in the flat display panel are different, so that the images formed by the plurality of pixel units form a curved surface, thereby realizing the effect of displaying a virtual curved surface on the flat display. Enhanced visual impact of viewing.
Abstract
Description
Claims (14)
- 一种虚拟曲面显示面板,包括:具有呈矩阵排布的多个像素单元的平面显示面板,以及设置于所述平面显示面板显示面的用于使得所述多个像素单元所成的像构成一曲面的凹透镜阵列;其中,所述凹透镜阵列包括呈阵列排布的多个凹透镜;各所述凹透镜的焦距相对于所述显示面的竖直对称轴呈对称分布;位于所述对称轴同一侧的各所述凹透镜中,与所述对称轴距离相等的各所述凹透镜的焦距相同,与所述对称轴距离不等的各所述凹透镜的焦距互不相等。
- 如权利要求1所述的虚拟曲面显示面板,其中所述曲面是朝向所述平面显示面板突出的曲面。
- 如权利要求2所述的虚拟曲面显示面板,其中各所述凹透镜的焦距随着所述凹透镜与所述对称轴距离的增大而依次递减。
- 如权利要求3所述的虚拟曲面显示面板,其中所述平面显示面板中的至少一个像素单元与所述凹透镜阵列中的一个凹透镜分别一一对应。
- 如权利要求3所述的虚拟曲面显示面板,其中所述平面显示面板中的一个子像素单元与所述凹透镜阵列中的至少一个凹透镜分别一一对应。
- 如权利要求5所述的虚拟曲面显示面板,其中所述平面显示面板中的一个子像素单元与所述凹透镜阵列中的多个焦距相同的凹透镜分别一一对应。
- 如权利要求1所述的虚拟曲面显示面板,其中各所述凹透镜为双凹透镜或液晶透镜。
- 如权利要求1所述的虚拟曲面显示面板,其中各所述凹透镜为平凹透镜。
- 如权利要求8所述的虚拟曲面显示面板,其中所述平凹透镜的凹面设置于远离所述平面显示面板显示面的一侧,或所述平凹透镜的凹面设置于朝向所述平面显示面板显示面的一侧。
- 如权利要求8所述的虚拟曲面显示面板,其中各所述平凹透镜为柱状凹透镜。
- 如权利要求8所述的虚拟曲面显示面板,其中各所述平凹透镜 为球面凹透镜。
- 如权利要求11所述的虚拟曲面显示面板,其中各所述球面凹透镜的孔径相同。
- 如权利要求1-12任一项所述的虚拟曲面显示面板,其中所述平面显示面板为液晶显示面板、电致发光显示面板、等离子显示面板或电子纸中的任意一种。
- 一种显示装置,包括如权利要求1-13任一项所述的虚拟曲面显示面板。
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US15/571,924 US10642084B2 (en) | 2016-06-15 | 2017-05-17 | Virtual curved surface display panel and display device |
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CN106054289B (zh) * | 2016-05-27 | 2019-01-25 | 京东方科技集团股份有限公司 | 一种显示面板、显示装置 |
CN105894970B (zh) | 2016-06-15 | 2019-02-12 | 京东方科技集团股份有限公司 | 一种虚拟曲面显示面板及显示装置 |
CN106646964A (zh) * | 2016-09-29 | 2017-05-10 | 深圳市华星光电技术有限公司 | 一种液晶显示器 |
WO2021035473A1 (zh) | 2019-08-26 | 2021-03-04 | 京东方科技集团股份有限公司 | 三维显示装置及虚拟现实设备 |
KR20210110443A (ko) * | 2020-02-28 | 2021-09-08 | 삼성디스플레이 주식회사 | 표시 장치 |
CN114019730A (zh) * | 2021-10-29 | 2022-02-08 | 华中科技大学 | 一种双模一体化液晶微透镜阵列、其制备方法及应用 |
TWI804222B (zh) * | 2022-03-04 | 2023-06-01 | 友達光電股份有限公司 | 弧形顯示裝置 |
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US20180231812A1 (en) | 2018-08-16 |
US10642084B2 (en) | 2020-05-05 |
CN105894970A (zh) | 2016-08-24 |
CN105894970B (zh) | 2019-02-12 |
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