WO2019233108A1 - 显示模组及制备方法、显示装置 - Google Patents
显示模组及制备方法、显示装置 Download PDFInfo
- Publication number
- WO2019233108A1 WO2019233108A1 PCT/CN2019/071407 CN2019071407W WO2019233108A1 WO 2019233108 A1 WO2019233108 A1 WO 2019233108A1 CN 2019071407 W CN2019071407 W CN 2019071407W WO 2019233108 A1 WO2019233108 A1 WO 2019233108A1
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- WO
- WIPO (PCT)
- Prior art keywords
- display panel
- heat dissipation
- optical sensor
- hole
- dissipation layer
- Prior art date
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Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1626—Constructional details or arrangements for portable computers with a single-body enclosure integrating a flat display, e.g. Personal Digital Assistants [PDAs]
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1684—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/20—Cooling means
- G06F1/203—Cooling means for portable computers, e.g. for laptops
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/13—Sensors therefor
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/13—Sensors therefor
- G06V40/1318—Sensors therefor using electro-optical elements or layers, e.g. electroluminescent sensing
-
- 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
- G09F9/301—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 flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
Definitions
- the present disclosure relates to the field of display technology, and in particular, to a display module, a manufacturing method thereof, and a display device.
- an optical sensor is disposed below the display panel, and a light-shielding layer with a through hole is provided in the display panel, so as to realize in-screen fingerprint recognition by using a small-hole imaging principle. Users can realize fingerprint recognition by touching the display with their fingers.
- a display module including: a display panel; an optical sensor disposed on a side opposite to a light emitting side of the display panel; a heat dissipation layer disposed between the display panel and the optical sensor; A through-hole array is provided on the top so that light can reach the optical identification device in the optical sensor through the through-holes in the through-hole array.
- the optical sensor is configured to recognize a fingerprint.
- the optical sensor further includes: a lens array disposed on a side of the optical identification device near the heat dissipation layer, wherein the lens in the lens array and the through hole in the through hole array are One correspondence.
- the optical axis of the lens coincides with the central axis of the corresponding through hole.
- the diameter of the through hole is 6 ⁇ m to 12 ⁇ m.
- the material of the heat dissipation layer includes a metal material.
- a method for manufacturing a display module including: providing a heat dissipation layer on a light emitting side of a display panel; providing an optical sensor on a side of the heat dissipation layer remote from the display panel; A through-hole array is provided so that light passes through the through-holes in the through-hole array to the optical identification device in the optical sensor.
- a lens array is disposed on a side of the optical identification device near the heat dissipation layer, wherein the lenses in the lens array correspond to the through holes in the through hole array one to one.
- the optical axis of the lens passes through a corresponding through hole.
- the optical axis of the lens coincides with the central axis of the corresponding through hole.
- the through hole has a pore diameter of 6 ⁇ m to 12 ⁇ m.
- the material of the heat dissipation layer includes a metal material.
- FIG. 1 is a schematic structural diagram of a display module according to an embodiment of the present disclosure
- FIG. 2 is a schematic structural diagram of a display module according to another embodiment of the present disclosure.
- FIG. 3 is a schematic structural diagram of a display module according to another embodiment of the present disclosure.
- FIG. 4 is a schematic structural diagram of a heat dissipation layer according to an embodiment of the present disclosure
- FIG. 5 is a schematic flowchart of a display module manufacturing method according to an embodiment of the present disclosure.
- FIG. 6 is a schematic structural diagram of a finished display module according to an embodiment of the present disclosure.
- the optical sensor is in direct contact with the display panel.
- an indentation is formed on a contact surface where the display panel and the optical sensor are in direct contact. The indentation formed will affect the performance of the display panel.
- FIG. 1 is a schematic structural diagram of a display module according to an embodiment of the present disclosure.
- the display module includes a display panel 1, an optical sensor 2, and a heat dissipation layer 3.
- the optical sensor 2 is disposed on the side opposite to the light-emitting side of the display panel 1, and the heat radiation layer 3 is disposed between the display panel 1 and the optical sensor 2.
- the heat radiation layer 3 is provided with a through-hole array, and light passes through the through-holes 31 in the through-hole array to the optical identification device 21 in the optical sensor 2.
- the area of the heat dissipation layer 3 may be the same as the area of the display panel 1. In other embodiments, the area of the heat dissipation layer 3 may be smaller than the area of the display panel 1.
- the area of the heat dissipation layer 3 may be the same as the area of the optical sensor 2 to ensure that the light passing through the through hole 31 in the heat dissipation layer 3 is effectively received by the optical identification device 21 in the optical sensor 2.
- the display panel 1 may be a flexible display panel, or another type of display panel. Since the optical sensor does not directly contact the display panel, the formation of indentations on the surface of the display panel is effectively avoided, and the stable operation of the display panel is guaranteed.
- the material of the heat dissipation layer 3 includes a metal material.
- a metal material By using a metal material, heat can be efficiently dissipated.
- the heat dissipation layer 3 may be made of a metal material such as copper or aluminum, or an appropriate alloy material. In some embodiments, the heat dissipation layer 3 may be made of copper foil.
- a heat dissipation layer is provided between the display panel and the optical sensor, and a through-hole array is provided on the heat dissipation layer to realize pinhole imaging. Therefore, the optical sensor does not need to be in direct contact with the display panel, and effectively avoids forming an indentation on the surface of the display panel.
- the heat dissipation layer can also dissipate the heat generated by the display panel and the optical sensor in time to ensure the stable operation of the display panel and the optical sensor.
- FIG. 2 is a schematic structural diagram of a display module according to another embodiment of the present disclosure.
- the optical sensor 2 further includes a lens array so as to converge the light passing through the through hole 31.
- the optical axis of the lens 22 passes through the corresponding through hole 31.
- the light passing through the through hole 31 can reach the corresponding lens 22 as much as possible.
- the optical axis of the lens 22 coincides with the central axis of the corresponding through hole 31.
- FIG. 3 is a schematic structural diagram of a display module according to another embodiment of the present disclosure.
- the user presses the finger 4 on the surface of the display panel 1. After the corresponding light passes through the through hole 31, it passes through the corresponding lens 22 to reach the optical identification device 21.
- the optical sensor 2 obtains fingerprint information of the user's finger 4 by aggregating fingerprint images formed by the optical identification devices.
- the optical sensor can recognize the fingerprint
- the user can realize fingerprint recognition by touching the display panel.
- FIG. 4 is a schematic structural diagram of a heat dissipation layer according to some embodiments of the present disclosure.
- a through-hole array is provided on the heat dissipation layer 3.
- the aperture of the through hole 31 is 6 ⁇ m to 12 ⁇ m.
- the diameter of the through hole 31 may be set to 6.5 ⁇ m.
- the shape of the through hole 31 may be a circle, a square, or other shapes that are favorable for forming a small hole for imaging.
- An embodiment of the present disclosure further provides a display device including any one of the foregoing display modules.
- the display device can be: LCD (Liquid Crystal Display), LED (Light Emitting Diode, light emitting diode) display, OLED (Organic Light Emitting Diode, organic light emitting diode) display, mobile phone, tablet computer, television, display, Laptops, digital photo frames, navigators and any other products or components with display capabilities.
- the heat dissipation layer can also dissipate the heat generated by the display panel and the optical sensor in time to ensure the stable operation of the display panel and the optical sensor.
- FIG. 5 is a schematic flowchart of a method for manufacturing a display module according to an embodiment of the present disclosure.
- step 501 a heat dissipation layer is provided on the light-exiting side of the display panel.
- the display panel is a flexible display panel.
- the heat dissipation material layer is patterned to obtain a heat dissipation layer having a through-hole array.
- the material of the heat-dissipating layer includes a metal material, so heat can be efficiently dissipated.
- the heat dissipation layer may be made of a metal material such as copper, aluminum, or an appropriate alloy material.
- the heat dissipation layer may be made of copper foil.
- the through hole diameter in the through hole array is 6 ⁇ m to 12 ⁇ m.
- the hole diameter of the through hole can be set to 6.5 ⁇ m.
- the shape of the through-holes in the through-hole array may be circular, square, or other shapes that facilitate the formation of pinhole imaging.
- an optical sensor is disposed on a side of the heat dissipation layer remote from the display panel.
- a through-hole array is provided on the heat dissipation layer, light can reach the optical identification device in the optical sensor through the through-holes in the through-hole array.
- the optical sensor is configured to recognize a fingerprint. Therefore, the user can realize fingerprint recognition by touching the display panel.
- a lens array is disposed on a side of the optical identification device near the heat dissipation layer.
- the lenses in the lens array correspond one-to-one with the through-holes in the through-hole array.
- the optical axis of the lens passes through a corresponding through hole.
- a heat dissipation layer is provided between the display panel and the optical sensor, and a through-hole array is provided on the heat dissipation layer to realize pinhole imaging. Therefore, the optical sensor does not need to be in direct contact with the display panel, and effectively avoids forming an indentation on the surface of the display panel.
- the heat dissipation layer can also dissipate the heat generated by the display panel and the optical sensor in time to ensure the stable operation of the display panel and the optical sensor.
- the display panel, the heat dissipation layer, and the optical sensor are laminated to obtain a finished display module.
- FIG. 6 is a schematic structural diagram of a finished display module according to an embodiment of the present disclosure.
- the display module includes a display panel 1, an optical sensor 2, and a heat dissipation layer 3.
- the heat dissipation layer 3 is disposed on the light exit side of the display panel 1, and the optical sensor 2 is disposed on a side of the heat dissipation layer 3 away from the display panel 1.
- the heat radiation layer 3 is provided with a through-hole array, and light passes through the through-holes 31 in the through-hole array to the optical identification device 21 in the optical sensor 2.
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Studio Devices (AREA)
Abstract
Description
Claims (16)
- 一种显示模组,包括:显示面板;光学传感器,设置在所述显示面板出光侧的对侧;散热层,设置在所述显示面板和所述光学传感器之间,所述散热层上设有通孔阵列,以便光线通过所述通孔阵列中的通孔到达所述光学传感器中的光学识别器件。
- 根据权利要求1所述的显示模组,其中,所述光学传感器被配置为识别指纹。
- 根据权利要求1所述的显示模组,其中,所述光学传感器还包括:透镜阵列,设置在所述光学识别器件的靠近所述散热层的一侧,其中所述透镜阵列中的透镜与所述通孔阵列中的通孔一一对应。
- 根据权利要求3所述的显示模组,其中,所述透镜的光轴穿过对应通孔。
- 根据权利要求4所述的显示模组,其中,所述透镜的光轴与对应通孔的中心轴重合。
- 根据权利要求1所述的显示模组,其中,所述通孔的孔径为6μm~12μm。
- 根据权利要求1所述的显示模组,其中,所述散热层的材料包括金属材料。
- 根据权利要求1所述的显示模组,其中,所述显示面板为柔性显示面板。
- 一种显示装置,包括,如权利要求1-8中任一项所述的显示模组。
- 一种显示模组的制备方法,包括:在显示面板的出光侧设置散热层;在所述散热层的远离所述显示面板的一侧设置光学传感器;其中,所述散热层上设有通孔阵列,以便光线通过所述通孔阵列中的通孔到达所述光学传感器中的光学识别器件。
- 根据权利要求10所述的制备方法,还包括,在所述光学识别器件的靠近所述散热层的一侧设置透镜阵列,其中所述透镜阵列中的透镜与所述通孔阵列中的通孔一一对应。
- 根据权利要求11所述的制备方法,其中,所述透镜的光轴穿过对应通孔。
- 根据权利要求12所述的制备方法,其中,所述透镜的光轴与对应通孔的中心轴重合。
- 根据权利要求10所述的制备方法,其中,所述通孔的孔径为6μm~12μm。
- 根据权利要求10所述的制备方法,其中,所述散热层的材料包括金属材料。
- 根据权利要求10所述的制备方法,其中,所述显示面板为柔性显示面板。
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US16/759,953 US11100819B2 (en) | 2018-06-05 | 2019-01-11 | Display module, manufacturing method, and display device |
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CN201810570313.9 | 2018-06-05 | ||
CN201810570313.9A CN108962025A (zh) | 2018-06-05 | 2018-06-05 | 显示模组及制备方法、显示装置 |
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CN108962025A (zh) * | 2018-06-05 | 2018-12-07 | 京东方科技集团股份有限公司 | 显示模组及制备方法、显示装置 |
CN111967417B (zh) | 2018-12-13 | 2022-02-08 | 深圳市汇顶科技股份有限公司 | 指纹识别装置和电子设备 |
CN109791610B (zh) | 2018-12-29 | 2021-04-27 | 深圳市汇顶科技股份有限公司 | 指纹识别装置和电子设备 |
CN109887964B (zh) * | 2019-02-15 | 2021-11-05 | 京东方科技集团股份有限公司 | 一种显示装置及其制备方法 |
CN109886224B (zh) * | 2019-02-27 | 2021-03-30 | 京东方科技集团股份有限公司 | 显示模组、显示装置及其制造方法 |
CN109685047A (zh) * | 2019-03-01 | 2019-04-26 | 惠科股份有限公司 | 指纹输入装置和显示装置 |
CN110137234B (zh) * | 2019-05-31 | 2021-10-15 | 维沃移动通信有限公司 | 显示屏及移动终端 |
CN111179746B (zh) * | 2020-02-21 | 2022-06-07 | 京东方科技集团股份有限公司 | 一种显示面板及其制备方法、显示装置 |
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CN111725280A (zh) * | 2020-06-11 | 2020-09-29 | 武汉华星光电半导体显示技术有限公司 | 一种柔性oled显示装置及其模组迭层结构的制备方法 |
WO2022073235A1 (zh) * | 2020-10-10 | 2022-04-14 | 京东方科技集团股份有限公司 | 显示装置和显示装置的制作方法 |
CN113762167B (zh) * | 2021-09-09 | 2024-02-27 | 业泓科技(成都)有限公司 | 屏下指纹辨识装置及电子设备 |
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US20200265757A1 (en) | 2020-08-20 |
US11100819B2 (en) | 2021-08-24 |
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