WO2021213023A1 - Module d'affichage, ensemble d'affichage et dispositif électronique - Google Patents

Module d'affichage, ensemble d'affichage et dispositif électronique Download PDF

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Publication number
WO2021213023A1
WO2021213023A1 PCT/CN2021/079581 CN2021079581W WO2021213023A1 WO 2021213023 A1 WO2021213023 A1 WO 2021213023A1 CN 2021079581 W CN2021079581 W CN 2021079581W WO 2021213023 A1 WO2021213023 A1 WO 2021213023A1
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WO
WIPO (PCT)
Prior art keywords
display screen
optical structure
main
main body
cover plate
Prior art date
Application number
PCT/CN2021/079581
Other languages
English (en)
Chinese (zh)
Inventor
崔志佳
孙舟
Original Assignee
Oppo广东移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Publication of WO2021213023A1 publication Critical patent/WO2021213023A1/fr

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    • 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
    • G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
    • G02B30/50—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images the image being built up from image elements distributed over a 3D volume, e.g. voxels
    • G02B30/56—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images the image being built up from image elements distributed over a 3D volume, e.g. voxels by projecting aerial or floating images

Definitions

  • the present disclosure relates to the technical field of mobile terminals, and in particular to a display module, a display assembly and an electronic device.
  • the content can only be displayed through the display screen of the electronic device, resulting in a single viewing angle of the displayed content and unable to bring a new interactive experience to the user.
  • the present disclosure provides a display module, including a main display screen, a cover plate, a secondary display screen, and an optical structure.
  • the main display screen can be used for displaying images;
  • the cover plate is arranged on the main display screen, and the cover plate includes a cover.
  • the secondary display screen is used to provide the original display screen, the secondary display screen is arranged on the side of the main display screen facing away from the cover plate; the optical structure is arranged on the inner side of the cover plate, and the optical structure has a transparent Glossy surface and reflective surface; the light-transmitting surface of the optical structure is opposite to the light-emitting surface of the secondary display screen, so that the original display image of the secondary display screen is reflected by the reflective surface of the optical structure and is The outer side of the cover plate forms a floating display screen.
  • the present disclosure also provides a display assembly, which includes the above-mentioned display module and a backlight module, and the backlight module is used to provide backlight to the display module.
  • the present disclosure also provides an electronic device, which includes a housing and the above-mentioned display assembly, and the display assembly is arranged on the housing.
  • FIG. 1 is a schematic structural diagram of an embodiment of an electronic device of the present disclosure
  • FIG. 2 is a cross-sectional view of an embodiment of the display module of the present disclosure
  • FIG. 3 is an enlarged view of the end structure of the display module shown in FIG. 2;
  • FIG. 4 is a schematic structural diagram of an optical structure in the display module shown in FIG. 2;
  • FIG. 5 is a schematic diagram of the use state of the optical structure shown in FIG. 4;
  • FIG. 6 is a schematic structural diagram of the optical module of the optical structure shown in FIG. 4;
  • FIG. 7 is a schematic diagram of the structure of the main body in the optical module shown in FIG. 6.
  • the electronic device involved in the embodiments of the present application may be any terminal device with communication, storage, and display functions, such as smart phones, tablet computers, notebook computers, e-readers, vehicle-mounted devices, wearable devices, and so on.
  • the electronic device 100 of this embodiment includes a display module 10 and a housing 20.
  • the housing 20 may include a frame and a back cover, and the frame is arranged around the edge of the back cover.
  • the display module 10 is disposed on the side of the frame away from the rear cover, and the display module 10 and the casing 20 are jointly enclosed to form an accommodating space of the electronic device 100.
  • the electronic device 100 further includes a camera, and the camera is arranged in the accommodating space. Arranging the camera inside the electronic device 100 can prevent the camera from occupying the space of the display module 10, and there is no need to open an installation slot in the display module 10, which can effectively increase the screen-to-body ratio of the electronic device 100, thereby facilitating the realization of the electronic device 100 Full screen design.
  • an ambient light sensor, a proximity light sensor, or an optical fingerprint sensor can also be arranged in the accommodating space of the electronic device 100 to realize the corresponding light sensing and fingerprint recognition functions while ensuring the full screen design of the electronic device 100.
  • the electronic device 100 may also include a motherboard and a backlight module.
  • the main board is arranged in the accommodating space, the main board is the main control element of the entire electronic device 100, and the camera is electrically connected to the main board.
  • the backlight module is arranged in the accommodating space of the electronic device 100, and the backlight module is stacked with the display module 10 and is used to provide a backlight source for the display module 10.
  • the display module 10 of this embodiment includes a main display screen 11, a cover 12, a secondary display screen 13 and an optical structure 14.
  • the main display screen 11 can be used for image display.
  • the cover plate 12 is disposed on the main display screen 11, and the cover plate 12 includes a cover plate main body 121 and a curved portion 122 extending outwardly from the sides of the cover plate main body 121.
  • the cover main body 121 is attached to the main display screen 11, and the bending part 122 is arranged outside the side of the main display screen 11.
  • the secondary display screen 13 is used to provide the original display screen, and the secondary display screen 13 is arranged on the side of the primary display screen 11 away from the cover 12.
  • the optical structure 14 is disposed on the inner side of the cover plate 12, and the optical structure 14 has a light-transmitting surface and a reflective surface.
  • the light-transmitting surface of the optical structure 14 is opposite to the light-emitting surface of the secondary display screen 13, so that the original display image of the secondary display screen 13 is reflected by the reflective surface of the optical structure 14, and a floating display image 200 is formed on the outside of the cover 12.
  • the main display screen 11 of this embodiment includes a substrate layer, a polarizer disposed on the substrate layer, and a display layer disposed between the substrate layer and the polarizer.
  • the substrate layer is the carrier of the display layer and the polarizer.
  • the substrate layer may be LTPS (low temperature polysilicon) glass.
  • LTPS glass is a polysilicon structure formed by projecting a laser onto a glass substrate with an amorphous silicon structure so that the glass substrate with an amorphous silicon structure absorbs laser energy.
  • the substrate layer is formed of LTPS glass, which enables the main display screen 11 of this embodiment to have the advantages of high resolution, high brightness, and sensitive response, so as to effectively enhance the use characteristics of the electronic device 100.
  • the substrate layer 11 of this embodiment can also be TFT glass.
  • the polarizer is arranged above the display layer, which can control the polarization direction of a specific light beam, and is used to convert the light beam generated by the light source into polarized light, and form a contrast between light and dark, thereby generating a display image to match the other components of the main display screen 11. Display of color images.
  • the display layer includes a metal cathode layer, a color resist layer, a metal anode layer, and metal wiring.
  • the color resist layer is arranged between the metal cathode layer and the metal anode layer, and the metal wiring is inserted between the metal anode layer or arranged under the metal anode layer.
  • the metal cathode layer has a light transmittance of 50%, and there are light-transmitting positions on the edges of the metal traces.
  • the color resist layer of this embodiment includes a plurality of color resist blocks, the plurality of color resist blocks are arranged in a matrix, and there is a space between two adjacent color resist blocks.
  • the multiple color resist blocks of the color resist layer include R (red) color resist, G (green) color resist, and B (blue) color resist.
  • R color resist, G color resist, and B color resist can filter white light into three primary colors, so that the main display screen 11 forms a color display screen.
  • the metal anode layer includes a plurality of metal anode blocks.
  • Each metal anode block is arranged corresponding to a color resist block, that is, the interval position of the metal anode layer corresponding to the color resist layer is also provided with an interval.
  • the light can pass through the transparent metal cathode layer, pass through the space between the color resist layer and the metal anode layer, and pass through the edge position of the metal wiring, so as to realize the light transmission of the main display screen 11.
  • the main display screen 11 of this embodiment may also include an encapsulation layer.
  • the encapsulation layer can be made of glass, and the encapsulation layer is arranged between the polarizer and the display layer.
  • the packaging layer and the substrate layer can be integrated to reduce the overall thickness of the main display screen 11.
  • cover plate 12 is arranged above the main display screen 11 to protect the main display screen 11 from external influences and interferences, and to ensure the superior display function and human-computer interaction function of the main display screen 11.
  • the cover plate 12 of this embodiment is made of a transparent material, such as curved glass.
  • the curved glass can be formed by large-angle hot bending and welding to enhance the sense of unity of the cover plate 12.
  • the cover 12 includes a cover main body 121 and a bent portion 122, and the bent portion 122 is formed by bending and extending the side of the cover main body 121 outward.
  • the cover plate 12 has a square structure and has four sides facing each other in pairs.
  • the bent portion 122 can be provided on any one side of the cover plate 12, or on two opposite sides, or on two adjacent sides, or on any three sides, or Set on four sides.
  • cover plate 12 can also have other shapes, as long as it can ensure the protection of the cover plate 12 to the main display screen 11 and ensure that the cover plate 12 forms a curve at its side that is placed outside the side of the main display screen 11. Department 122 is sufficient.
  • the surface of the main display screen 11 of the cover main body 121 is attached to each other.
  • the curved portion 122 of the cover 12 is arranged outside the side of the main display screen 11, that is, the main display screen 11 is arranged on the inner side of the curved portion 122.
  • the display module 10 of this embodiment further includes a secondary display screen 13.
  • the secondary display screen 13 is arranged in the accommodating space of the electronic device 100 and is located on the side of the main display screen 11 away from the cover 12.
  • the secondary display screen 13 may have the same structure as the main display screen 11 to provide an original display screen.
  • the surface of the secondary display screen 13 for displaying the picture is its light-emitting surface.
  • the optical structure 14 can reflect the screen on the secondary display screen 13 and form a floating display screen 200 on the outside of the cover 12, so that the display content of the electronic device 100 can be diversified and the user can Have a new human-computer interaction experience.
  • the secondary display screen 13 may also be other electronic components with display functions, such as electronic watches.
  • the electronic watch can be used to display the time and date, and its cost is relatively low, but it can still form a floating display of the time and date on the outside of the cover 12 after cooperating with the optical structure 14, so that the electronic device 100 has a diversified use experience.
  • the optical structure 14 of this embodiment includes a plurality of optical modules 140, the plurality of optical modules 140 are arranged in a matrix, and each optical module 140 includes a main body 141 and a reflective part 142.
  • the specific structure of the optical module 140 of this embodiment is shown in FIG. 6.
  • the reflection part 142 on the end surface 1411 of the main body part 141 is not shown in FIGS. 4 and 5 out.
  • the reflecting part 142 can reflect light.
  • the main body 141 is made of a transparent material and can transmit light.
  • the main body 141 has a rectangular parallelepiped structure, and its surface includes a pair of opposite end faces 1411, two relatively parallel first side faces 1412, and two relatively parallel second side faces 1413.
  • the reflection part 142 is provided and covers the two end faces 1411 and the two first side faces 1412 of the main body part 141.
  • the area of the reflection portion 142 is adapted to the area of the end surface 1411 of the main body portion 141 and the area of the first side surface 1412.
  • the surface of the reflective portion 142 constitutes the reflective surface of the optical structure 14, and the second side surface 1413 of the main body portion 141 constitutes the transmissive surface of the optical structure 14, that is, each optical module 140 has four reflective surfaces and a pair of parallel transmissive surfaces. noodle.
  • each row of the optical structure 14 of this embodiment a plurality of optical modules 140 are successively attached and fixed by the end surface 1411 of the main body 141 covered with the reflection part 142, and each column of the optical structure 14 is a plurality of optical modules 140 covered by the main body 141.
  • the first side surface 1412 with the reflection part 142 is bonded and fixed.
  • the outer peripheral side surfaces of the formed optical structure 14 are reflective surfaces, the opposite side surfaces are transparent, and the opposite two side surfaces of the optical modules 140 in each row are reflective surfaces.
  • the transparent surface of the optical structure 14 is opposite to the light-emitting surface of the secondary display screen 13.
  • Light from various angles on the secondary display screen 13 can pass through the transparent transparent surface of the optical structure 14 to enter the interior of each optical module 140.
  • the light reaches the reflective portion 142 of each optical module 140 and then passes through the optical module 140 through reflection. , To converge and image on the outside of the cover 12.
  • the three-dimensional light of the original display screen on the secondary display screen 13 can all converge on the same point on the outside of the cover plate 12, thereby forming a suspension on the outside of the cover plate 12.
  • a screen 200 is displayed, and the floating display screen 200 and the original display screen are in a symmetrical relationship with respect to the plane where the optical structure 14 is located, so that the user can see the floating display screen 200 from various angles.
  • the reflective portion 142 may also be provided and covered only on the two end surfaces 1411 of the main body portion 141.
  • the surface of the reflective portion 142 constitutes the reflective surface of the optical structure 14
  • the first side surface 1412 and the second side surface 1413 of the main body portion 141 constitute the light-transmitting surface of the optical structure 14, that is, each optical module 140 has four light-transmitting surfaces. Surface and a pair of parallel reflecting surfaces.
  • Each row of the optical structure 14 is where a plurality of optical modules 140 pass through the end surface 1411 of the main body part 141 covered with the reflecting part 142 and are sequentially attached and fixed. 1412 fits and fixes.
  • two side surfaces of the outer peripheral side surface of the formed optical structure 14 are reflective surfaces, the other two side surfaces are light-transmitting surfaces, and the opposite side surfaces are transparent, and the optical structure of each row
  • the two pairs of side surfaces of the module 140 are both light-transmitting surfaces.
  • the transparent surface of the optical structure 14 is opposite to the light-emitting surface of the secondary display screen 13.
  • the light on the secondary display screen 13 can pass through the transparent light-transmitting surface of the optical structure 14 to enter the interior of each optical module 140, and the light reaches each optical module 140.
  • the upper reflecting portion 142 then passes through the optical module 140 through reflection to converge and image on the outside of the cover 12, so that the user can see the floating display screen 200 at a specific angle.
  • the reflection part 142 may also be provided and covered only on the first side surface 1412 of the main body part 141.
  • the surface of the reflective portion 142 constitutes the reflective surface of the optical structure 14
  • the end surface 1411 and the second side surface 1413 of the main body portion 141 constitute the light-transmitting surface of the optical structure 14, that is, each optical module 140 has four light-transmitting surfaces and A pair of parallel reflecting surfaces.
  • Each row of the optical structure 14 has a plurality of optical modules 140 attached and fixed in turn through the end surface 1411 of the main body portion 141, and each column of the optical structure 14 is a first side surface of the plurality of optical modules 140 covered with the reflection portion 142 via the main body portion 141 1412 fits and fixes.
  • two of the outer peripheral sides of the formed optical structure 14 are reflective surfaces, the other two sides are translucent surfaces, and the opposite sides are transparent, and each row of optical modules 140 A pair of side surfaces are light-transmitting surfaces, and two opposite end surfaces 1411 are also light-transmitting surfaces.
  • the transparent surface of the optical structure 14 is opposite to the light-emitting surface of the secondary display screen 13.
  • the light on the secondary display screen 13 can pass through the transparent light-transmitting surface of the optical structure 14 to enter the interior of each optical module 140, and the light reaches each optical module 140.
  • the upper reflecting portion 142 then passes through the optical module 140 through reflection to converge and image on the outside of the cover 12, so that the user can see the floating display screen 200 at a specific angle.
  • the secondary display screen 13 of this embodiment is arranged close to the side of the main display screen 11, and the optical structure 14 is arranged corresponding to the outer edge of the main display screen 11.
  • This arrangement allows the original display screen of the secondary display screen 13 to be transmitted through the optical structure 14 and to form a floating display screen 200 on the outside of the cover plate 12 through the curved portion 122 of the cover plate 12.
  • the floating display screen 200 is above the edge of the main display screen 11, and the floating display screen 200 can be used to display pop-up windows, such as pop-up windows for information and weather, to bring a new interactive experience to the user.
  • the secondary display screen 13 and the main display screen 11 are arranged vertically.
  • the light-emitting surface of the secondary display screen 13 is close to the outer edge of the main display screen 11, and the optical structure 14 is arranged on the side of the secondary display screen 13 close to the edge of the main display screen 11.
  • the angle ⁇ between the plane where the optical structure 14 is located and the plane where the main display screen 11 is located is greater than 0°, so that the light from the light-emitting surface of the secondary display screen 13 arranged vertically can efficiently illuminate the light-transmitting surface of the optical structure 14 , And under the transmission of the optical structure 14, a floating display screen 200 is formed on the outer side of the cover plate 12.
  • the angle ⁇ between the plane where the optical structure 14 is located and the plane where the main display screen 11 is located is 45°.
  • This arrangement makes the light from the light emitting surface of the vertically arranged secondary display screen 13 be reflected by the optical structure 14 biased at 45° with respect to the main display screen 11, so that the plane where the floating display screen 200 is located is parallel to the plane where the main display screen 11 is located.
  • the floating display screen 200 is parallel to the image of the main display screen 11, so that the user can see both the floating display screen 200 and the image of the main display screen 11 at the same position, so that the overall display function of the electronic device 100 is more comprehensive.
  • the end of the optical structure 14 abuts against the outer edge of the main display screen 11.
  • the secondary display screen 13 is perpendicular to the primary display screen 11 and is close to the surface of the primary display screen 11, the light on the secondary display screen 13 is transmitted through the optical structure 14 and the floating display screen 200 formed on the outside of the cover 12 can be relatively close
  • the main display screen 11 allows the user to obtain more comprehensive information displayed on the main display screen 11 and the secondary display screen 13.
  • the secondary display screen 13 may also be arranged in parallel with the main display screen 11.
  • the light-emitting surface of the secondary display screen 13 faces the main display screen 11, and the optical structure 14 is arranged between the secondary display screen 13 and the main display screen 11.
  • the original display picture on the secondary display screen 13 is transmitted through the optical structure 14, and a floating display picture 200 is formed on the outside of the cover plate 12 through the light-transmitting area of the main display screen 11 and the cover body 121 of the cover plate 12.
  • the optical structure 14 can be arranged parallel to the main display screen 11 so that the plane where the floating display screen 200 is located is parallel to the plane where the main display screen 11 is located.
  • the secondary display screen 13 can be set at any angle relative to the main display screen 11, and the optical structure 14 is set in conjunction with the secondary display screen 13. As long as the light-emitting surface of the secondary display screen 13 is opposite to the light-transmitting surface of the optical structure 14, And under the action of the reflective surface of the optical structure 14, the original display picture on the secondary display screen 13 can form a floating display picture 200 on the other side of the cover 12.
  • Each secondary display screen 13 is provided with an optical structure 14 correspondingly, so that the original display picture on each display screen can form a floating display picture 200 on the outside of the cover 12.
  • At least one secondary display screen 13 may be provided at a position close to each outer edge of the main display screen 11, so that the outer peripheral side of the electronic device 100 has a floating display screen 200, so that the electronic device 100 displays More diversified functions.
  • the optical structure can reflect the original display image of the secondary display screen arranged on the inner side of the cover plate to form a floating display image on the outer side of the cover plate.
  • the user can obtain corresponding display information through the floating display screen.
  • the floating display screen and the image display of the main display screen can enhance the diversification of the visual angle of the display content of the electronic device, and bring a new interactive experience to the user.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

La présente invention concerne un module d'affichage (10) et un dispositif électronique (100), le module d'affichage (10) comprenant un écran d'affichage principal (11), une plaque de recouvrement (12), un écran d'affichage auxiliaire (13) et une structure optique (14) ; l'écran d'affichage principal (11) est utilisé pour l'affichage d'images ; la plaque de recouvrement (12) est disposée sur l'écran d'affichage principal (11), et la plaque de recouvrement (12) comprend un corps principal de plaque de recouvrement (121) et une partie de courbure (122) ; l'écran d'affichage auxiliaire (13) est utilisé pour fournir une image d'affichage d'origine ; la structure optique (14) est disposée au niveau du côté intérieur de la plaque de recouvrement (12), et la structure optique (14) est pourvue d'une surface de transmission de lumière et d'une surface réfléchissante ; la surface de transmission de lumière est opposée à une surface d'émission de lumière de l'écran d'affichage auxiliaire (13), de sorte que l'image d'affichage d'origine de l'écran d'affichage auxiliaire (13) est réfléchie par la surface réfléchissante de la structure optique (14), et une image d'affichage flottante (200) est formée au niveau du côté extérieur de la plaque de recouvrement (12).
PCT/CN2021/079581 2020-04-21 2021-03-08 Module d'affichage, ensemble d'affichage et dispositif électronique WO2021213023A1 (fr)

Applications Claiming Priority (2)

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CN202010316954.9 2020-04-21
CN202010316954.9A CN111599271B (zh) 2020-04-21 2020-04-21 显示模组及电子设备

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CN111599271B (zh) * 2020-04-21 2022-01-04 Oppo广东移动通信有限公司 显示模组及电子设备
CN111599270B (zh) * 2020-04-21 2022-01-04 Oppo广东移动通信有限公司 显示模组及电子设备

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US9335510B2 (en) * 2012-09-28 2016-05-10 Apple Inc. Display with electromechanical mirrors for minimizing display borders
CN106353844A (zh) * 2015-07-17 2017-01-25 Lg电子株式会社 微反射镜阵列、其制造方法及包括其的浮动显示装置
CN107422466A (zh) * 2017-07-14 2017-12-01 华为技术有限公司 显示装置和终端设备
CN108307006A (zh) * 2018-01-26 2018-07-20 努比亚技术有限公司 屏幕及具有该屏幕的移动终端
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CN111584755A (zh) * 2020-05-27 2020-08-25 京东方科技集团股份有限公司 显示面板及其制备方法、显示装置

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