WO2022017438A1 - 显示组件和显示装置 - Google Patents
显示组件和显示装置 Download PDFInfo
- Publication number
- WO2022017438A1 WO2022017438A1 PCT/CN2021/107765 CN2021107765W WO2022017438A1 WO 2022017438 A1 WO2022017438 A1 WO 2022017438A1 CN 2021107765 W CN2021107765 W CN 2021107765W WO 2022017438 A1 WO2022017438 A1 WO 2022017438A1
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- WO
- WIPO (PCT)
- Prior art keywords
- light
- display
- prism
- emitted
- display panel
- Prior art date
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- 230000005540 biological transmission Effects 0.000 claims abstract description 14
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Images
Classifications
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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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/481—Constructional features, e.g. arrangements of optical elements
- G01S7/4811—Constructional features, e.g. arrangements of optical elements common to transmitter and receiver
- G01S7/4813—Housing arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/06—Systems determining position data of a target
- G01S17/08—Systems determining position data of a target for measuring distance only
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/481—Constructional features, e.g. arrangements of optical elements
- G01S7/4814—Constructional features, e.g. arrangements of optical elements of transmitters alone
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/481—Constructional features, e.g. arrangements of optical elements
- G01S7/4817—Constructional features, e.g. arrangements of optical elements relating to scanning
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B17/00—Systems with reflecting surfaces, with or without refracting elements
- G02B17/08—Catadioptric systems
- G02B17/0856—Catadioptric systems comprising a refractive element with a reflective surface, the reflection taking place inside the element, e.g. Mangin mirrors
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/03—Covers
Definitions
- the present application belongs to the field of communication technologies, and in particular relates to a display assembly and a display device.
- Time of flight has been widely used in TOF in smartphones is used in physical ranging, 3D modeling, and camera performance improvement.
- the laser signal emitted by the signal transmitter passes through the display screen 1 twice before being received by the signal receiver.
- the transmittance of the display screen 1 has a great influence on the TOF imaging, and the TOF
- the laser signal of the detected target passes through the display screen twice, which will cause the laser signal to be significantly attenuated twice, resulting in a very low utilization rate of laser energy; due to the high energy of the TOF laser, when the back of the infrared laser illuminates the display area of the display, the irradiation area will be affected.
- the organic light-emitting material of the display pixel is seriously aged, resulting in obvious color difference in the display effect of the illuminated area, which will lead to serious quality problems.
- the purpose of the embodiments of the present application is to provide a display assembly and a display device, which can solve the problems of serious laser signal loss, low laser utilization rate, and easy damage to organic light-emitting materials in the irradiation area when the under-screen TOF design is adopted.
- an embodiment of the present application provides a display component, including:
- cover plate is arranged on the display side of the display panel
- the diffusing part is located on the side of the cover plate close to the display panel, the diffusing part is arranged in the non-display area of the cover plate, and the diffusing part is used for diffusing the light entering it ejected after
- the emission module is used for emitting light, the emission module is arranged on the non-display side of the display panel, and the emission module faces the radiating member;
- a receiving module the receiving module is arranged on the non-display side of the display panel, and the receiving module is used for receiving the reflected light from the detection target to the divergent light of the divergent member.
- an optical adhesive layer is provided on the cover plate in an area corresponding to the dispersing member, and the dispersing member is bonded to the cover plate through the optical adhesive layer.
- the launch module includes:
- Light source used to emit light
- the optical component is used for receiving the light emitted by the light source and outputting the received light to the diverging member.
- the launch module further includes:
- a light collimator the light emitted by the light source is collimated by the light collimator and then exits the collimated light from the light collimator, and the optical component adjusts the collimated light, and adjusts the adjusted light.
- the light is emitted to the diverging element.
- optical components include:
- the collimated light emitted by the light collimator is incident on the first prism
- the second prism adjusts the transmission direction of the light emitted from the first prism so that the adjusted light is emitted to the diverging element.
- the launch module further includes:
- a housing structure, the light source, the light collimator and the first prism are packaged in the housing structure.
- the launch module further includes:
- a casing structure, the light source and the light collimator are packaged in the casing structure, and the first prism is disposed on the non-display side of the display panel.
- the first prism is disposed on the display panel.
- a frame body, the second prism is arranged on the frame body, and the cover plate is connected to the frame body.
- optical components include:
- a rhombus prism the collimated light emitted by the light collimator is incident on the rhombus prism, and the rhombus prism makes the collimated light emitted by the light collimator offset, so that the shifted light is emitted to the diverging member;
- the emission module further includes a housing structure, the light source and the light collimator are packaged in the housing structure, and the rhombus prism is connected to the housing structure.
- the non-display area of the cover plate is coated with an ink layer, and the light emitted by the emission module can pass through the ink layer.
- embodiments of the present application provide a display device, including the display components described in the foregoing embodiments.
- a cover plate is provided on the display side of the display panel, the radiating member is located on a side of the cover plate close to the display panel, and the radiating member is arranged on the cover
- the diffusing member is used for diffusing the light entering it and then emitting
- the emission module is used for emitting light
- the emission module is arranged on the non-display side of the display panel, the The emitting module faces the radiating member
- the receiving module is disposed on the non-display side of the display panel
- the receiving module is used for receiving the reflected light from the detection target to the radiating light of the radiating member.
- the light emitted by the emitting module to the radiating member forms a light area with a larger angle through the divergence of the radiating member, the light radiates from the non-display area of the cover plate, and does not pass through the display panel when the light is emitted , reduce the loss of light signal, improve the utilization rate of light, reduce the damage to the organic light-emitting material when the light illuminates the display area, reduce the color difference of the display effect in the illuminated area, avoid quality problems, and avoid opening holes in the display panel.
- Fig. 1 is the transmission path of the laser signal in the existing design
- FIG. 2 is a schematic diagram of a region of emitting light according to an embodiment of the present application.
- FIG. 3 is a schematic structural diagram of a display assembly according to an embodiment of the present application.
- FIG. 4 is another schematic structural diagram of a display assembly according to an embodiment of the present application.
- Fig. 5 is a schematic diagram of the working process of the embodiment of the present application.
- FIG. 6 is a schematic diagram of a VCSEL chip in an embodiment of the present application.
- light source 50 light collimator 51; first prism 52; second prism 53;
- substrate 70 chip 71; glass substrate 72; optical structure 73;
- the display assembly includes a display panel 10 , a cover plate 20 , a radiating member 30 , a transmitting module and a receiving module 40 .
- the cover plate 20 is disposed on the display side of the display panel 10
- the dispersing member 30 is located on the side of the cover plate 20 close to the display panel 10
- the dispersing member 30 is disposed in the non-display area of the cover plate 20
- the dispersing member 30 is used to transmit the radiation
- the light entering into it diverges and then exits;
- the emitting module is used for emitting light, the emitting module is arranged on the non-display side of the display panel 10 , the emitting module faces the dispersing member 30 , and the receiving module 40 is arranged on the non-display side of the display panel 10 , the receiving module 40 is used for receiving the reflected light of the light emitted by the detection target to the light emitted by the diffusing element 30 .
- the display assembly is mainly composed of a display panel 10, a cover plate 20, a radiating element 30, a transmitting module and a receiving module 40.
- the cover plate 20 can be a transparent material, such as a glass plate, and the cover plate 20 can be provided on the display On the display side of the panel 10 , the display panel 10 can be protected by the cover plate 20 .
- the diverging member 30 can diverge the light incident on the diverging member 30 so that the light emitted from the diverging member 30 has a larger angle so that the light can illuminate a larger area.
- the diverging member 30 can be located on the cover plate 20 close to the display panel 10 On one side, the diffusing element 30 and the display panel 10 are located on the same side of the cover plate 20.
- the diffusing element 30 is disposed in the non-display area of the cover plate 20, and the diffusing element 30 is used for diffusing the light entering therein and then emitting it.
- the area is the area on the cover plate 20 that does not cover the display panel 10 , that is, the radiating element 30 is disposed on the area of the cover plate 20 that does not cover the display panel 10 .
- the dispersing element 30 can be disposed on the cover plate 20 The top or side non-display areas on the board 20 so that light can exit from the top or side non-display areas on the cover plate 20 .
- the emitting module can be used to emit light, and the emitting module can emit light to the radiating member 30.
- the emitting module is arranged on the non-display side of the display panel 10, and the emitting module faces the emitting member 30.
- the emitting module emits light
- the light is emitted to the radiating element 30, and the radiating element 30 can scatter the light after receiving the light emitted by the emitting module.
- the receiving module 40 is arranged on the non-display side of the display panel 10, and the receiving module 40 can be used to receive the reflected light of the light emitted by the detection target to the diverging member 30, and the receiving module 40 can include a module lens and a module image sensor, which can The lens and the module image sensor receive the light signal, and the display assembly may further include a processing module, and the light signal is processed by the processing module.
- the detection target is close to the side of the cover plate away from the display panel 10, after the detection target enters the light area diverged by the radiating member 30, the detection target starts to reflect the light, and the light reflected by the detection target can be received by the receiving module 40.
- the reflected light received is used for identification, analysis and judgment.
- the light emitted by the emission module to the radiating member forms a light area with a relatively large angle through the divergence of the radiating member, the light radiates from the non-display area of the cover plate 20, and does not pass through the display panel 10 when the light is emitted, Reduce the loss of light signals, improve light utilization, reduce damage to organic light-emitting materials when light illuminates the display area, reduce chromatic aberration in the display effect of the illuminated area, avoid quality problems, and avoid opening holes in the display panel.
- the transmitting module emits modulated light, such as near-infrared light, and the light is reflected after encountering the detection target 80, and the receiving module 40 can receive the light reflected by the object, which can be calculated by the processing module
- the time difference or phase difference between the emission and reflection of light is used to convert the distance of the object to be photographed to generate depth information.
- the three-dimensional outline of the object can be presented in the form of a topographic map with different colors representing different distances in combination with camera shooting.
- an optical adhesive layer may be provided on the cover plate 20 in an area corresponding to the dispersing member 30 , the optical adhesive layer may be a transparent optical adhesive layer, and the dispersing member 30 may be bonded to the cover plate through the optical adhesive layer. 20, it is convenient to install the radiating element 30.
- the radiating element 30 can also be bonded to the cover plate 20 through the glue with high transmittance of the light emitted by other emission modules, and the light emitted by the emission module can pass through the optical glue layer to avoid Optical bondline causes light loss.
- the diffusing member 30 can be directly formed on the cover plate 20 to reduce the lamination process and the number of components.
- the emission module may include a light source 50 and an optical component, and the light source 50 may be used for emitting light; the optical component may be used for receiving the light emitted by the light source 50, and the optical component may emit the received light to the dispersing member 30, Then, it is diffused through the diffusing element 30, so that the light emitted from the diffusing element 30 has a larger angle, so that the light irradiates a larger area.
- the emission module also includes a light collimator 51.
- the light emitted by the light source 50 is collimated by the light collimator 51 and then exits the collimated light from the light collimator 51, and the light is collimated by the light collimator 51 to ensure light transmission.
- the path is carried out in a fixed area, and the optical component is adjusted to the collimated light.
- the optical component can adjust the transmission direction of the collimated light, or the optical component can make the collimated light shift/offset, and the optical component can adjust the direction of the collimated light. The latter light is emitted to the diverging element 30 .
- the emission module may include a light source 50, a light collimator 51 and an optical component, wherein the light source 50 may emit light, such as laser light or infrared light, and the light source 50 may be a vertical resonant cavity surface emission type A laser (Vertical-Cavity Surface-Emitting Laser, VCSEL) chip or an edge emitting laser (Edge Emitting Laser, EEL) chip, the light emitted by the light source 50 can be projected toward the light collimator 51, and the light emitted by the light source 50 passes through the light collimator 51.
- the light source 50 may emit light, such as laser light or infrared light
- the light source 50 may be a vertical resonant cavity surface emission type A laser (Vertical-Cavity Surface-Emitting Laser, VCSEL) chip or an edge emitting laser (Edge Emitting Laser, EEL) chip
- the adjustment of the light can output collimated light, and the light is collimated by the light collimator 51 to ensure that the light transmission path is carried out in a fixed area.
- the optical component can receive the collimated light emitted by the light collimator 51, and adjust the collimated light. For example, the optical component can adjust the transmission direction of the collimated light, or the optical component can make the collimated light produce displacement/deflection.
- the adjusted light can be emitted to the radiating member 30 through the optical component, and the light can be emitted to the radiating member 30 through the cooperation of the light source 50, the light collimator 51 and the optical component, and then the radiating member 30 is diffused from the cover plate 20.
- the non-display area is emitted to form a light area with a larger angle, which is convenient for the detection of the detection target.
- the VCSEL chip may include a substrate 70 and a side wall disposed on the substrate 70 , a chamber may be defined by the substrate 70 and the side wall, and a chip 71 connected to a gold wire may be arranged in the chamber, A glass substrate 72 is provided at the opening of the chamber to close the chamber, and an optical structure 73 (such as a diffuser) can be provided on the side of the glass substrate 72 facing the chip 71 to diffuse the light into uniform and large-angle light. The light emitted by the chip can be emitted through the optical structure.
- an optical structure 73 such as a diffuser
- the optical component may include a first prism 52 and a second prism 53 , wherein the collimated light emitted by the light collimator 51 enters the first prism 52 , and can pass through the first prism 52 .
- the collimated light adjusted by the first prism 52 can be projected to the second prism 53, and the transmission direction of the light emitted by the first prism 52 can be adjusted through the second prism 53, so that the adjusted The light is emitted to the diverging member 30 , and the transmission direction of the collimated light emitted by the light collimator 51 is adjusted by the first prism 52 and the second prism 53 , so that the light is emitted to the diverging member 30 , and the light is emitted from the cover plate 20 through the diverging member 30 .
- the non-display area emits divergence, which can produce a uniform and large-angle light area required for detecting objects.
- the installation positions of the first prism 52, the second prism 53, the light source 50, and the light collimator 51 can be set as required.
- different optical structures can be added to adjust the transmission direction of the light.
- the emission module may further include a housing structure 54 , and the light source 50 , the light collimator 51 and the first prism 52 may be packaged in the housing structure 54 , and the light source is connected to the housing structure 54 through the housing structure 54 . 50.
- the light collimator 51 and the first prism 52 are packaged together to achieve a better integration effect, to avoid relative positional movement between the light source 50, the light collimator 51 and the first prism 52, and to reduce the impact of light.
- the deviation of the transmission direction ensures the accuracy of the light emitted from the first prism 52 .
- the emission module may further include a housing structure 54 , the light source 50 and the light collimator 51 may be packaged in the housing structure 54 , and the light source 50 and the light collimator 51 It is packaged together to achieve a better integration effect, which is convenient to ensure the accuracy of the light emitted by the light collimator 51.
- the first prism 52 can be arranged on the non-display side of the display panel 10, and the first prism 52 can be bonded by optical glue. On the non-display side of the display panel 10 , the first prism 52 may be disposed on the display panel 10 .
- the display assembly can also include a frame body 60
- the second prism 53 can be arranged on the frame body 60
- the cover plate 20 can be connected to the frame body 60
- the receiving module 40 can also be arranged on the frame body 60
- the light source 50 can also be arranged on the frame body 60
- the light collimator 51 can be arranged on the frame body 60
- the frame body 60 can play a supporting and fixing role for other components in the assembly.
- the optical component may include a rhombus prism 55 , the collimated light emitted by the light collimator 51 may enter the rhombus prism 55 , and the rhombus prism 55 may collimate the light
- the collimated light emitted by the collimator 51 is displaced/offset, so that the displaced/offset light is emitted to the diverging member 30, and the displacement of the collimated light emitted from the light collimator 51 can be adjusted by the rhombus prism 55, and the Adjust the transmission direction of the collimated light.
- the collimated light entering the rhombus prism 55 is adjusted by the rhombus prism 55, the light emitted by the rhombus prism 55 is emitted to the diverging member 30, and the light between the rhombus prism 55 and the light collimator 51 can be adjusted as required.
- the emission module can also include a casing structure 54, the light source 50 and the light collimator 51 can be packaged in the casing structure 54, and the rhombus prism 55 can be connected with the casing structure 54, One side of the rhombus prism 55 can be connected with the housing structure 54, and the other side of the rhombus prism 55 can be connected with the frame body 60 through colloid, so that the rhombus prism 55 is stable and firm, not easy to loosen, and can effectively reduce the system assembly time. Tolerance to ensure the accuracy of light.
- the non-display area of the cover plate 20 may be coated with an ink layer, and the light emitted by the emission module can pass through the ink layer.
- the light emitted by the emission module is infrared rays, and the infrared rays can pass through the ink layer. , to avoid the loss of light caused by the ink layer.
- Embodiments of the present application further provide a display device, where the display device includes the display components described in the foregoing embodiments.
- the emission module emits light without passing through the display panel, thereby reducing the loss of light signals, improving light utilization, reducing damage to organic light-emitting materials when light irradiates the display area, improving display effects, and avoiding Make holes in the display panel.
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Abstract
Description
Claims (10)
- 一种显示组件,包括:显示面板;盖板,所述盖板设在所述显示面板的显示侧;发散件,所述发散件位于所述盖板上靠近所述显示面板的一侧,所述发散件设置于所述盖板的非显示区域,所述发散件用于将射入其中的光线发散后射出;发射模组,所述发射模组用于发射光线,所述发射模组设在所述显示面板的非显示侧,所述发射模组朝向所述发散件;接收模组,所述接收模组设在所述显示面板的非显示侧,所述接收模组用于接收探测目标对所述发散件发散光线的反射光线。
- 根据权利要求1所述的显示组件,其中,所述发射模组包括:光源,用于发射光线;光学部件,用于接收所述光源发射的光线,并将接收的光线出射至所述发散件。
- 根据权利要求2所述的显示组件,其中,所述发射模组还包括:光线准直器,所述光源发射的光线经过所述光线准直器准直后从所述光线准直器出射准直光线,所述光学部件对所述准直光线进行调整,并将调整后的光线出射至所述发散件。
- 根据权利要求3所述的显示组件,其中,所述光学部件包括:第一棱镜,所述光线准直器出射的准直光线入射所述第一棱镜;第二棱镜,所述第二棱镜调整所述第一棱镜出射的光线的传输方向以使调整后的光线出射至所述发散件。
- 根据权利要求4所述的显示组件,其中,所述发射模组还包括:壳体结构,所述光源、所述光线准直器和所述第一棱镜封装于所述壳体结构中。
- 根据权利要求4所述的显示组件,其中,所述发射模组还包括:壳体结构,所述光源、所述光线准直器封装于所述壳体结构中,所述第 一棱镜设置于所述显示面板的非显示侧。
- 根据权利要求6所述的显示组件,其中,所述第一棱镜设置于所述显示面板上。
- 根据权利要求4所述的显示组件,还包括:框体,所述第二棱镜设置于所述框体上,所述盖板与所述框体相连。
- 根据权利要求3所述的显示组件,其中,所述光学部件包括:斜方棱镜,所述光线准直器出射的准直光线入射所述斜方棱镜,所述斜方棱镜使所述光线准直器出射的准直光线产生偏移,以使产生偏移后的光线出射至所述发散件;所述发射模组还包括壳体结构,所述光源、所述光线准直器封装于所述壳体结构中,所述斜方棱镜与所述壳体结构相连。
- 一种显示装置,包括如权利要求1-9中任一项所述的显示组件。
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