WO2022110193A1 - 一种显示装置 - Google Patents
一种显示装置 Download PDFInfo
- Publication number
- WO2022110193A1 WO2022110193A1 PCT/CN2020/132894 CN2020132894W WO2022110193A1 WO 2022110193 A1 WO2022110193 A1 WO 2022110193A1 CN 2020132894 W CN2020132894 W CN 2020132894W WO 2022110193 A1 WO2022110193 A1 WO 2022110193A1
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- WO
- WIPO (PCT)
- Prior art keywords
- display screen
- flexible display
- adsorption
- display device
- reel
- Prior art date
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- 238000001179 sorption measurement Methods 0.000 claims abstract description 84
- 239000000463 material Substances 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 6
- 230000007704 transition Effects 0.000 claims description 5
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 9
- 238000010586 diagram Methods 0.000 description 7
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003811 curling process Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000000877 morphologic effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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
- 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
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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
- H05K5/0217—Mechanical details of casings
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- 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
- G06F1/1601—Constructional details related to the housing of computer displays, e.g. of CRT monitors, of flat displays
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- 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
- G06F1/1652—Details related to the display arrangement, including those related to the mounting of the display in the housing the display being flexible, e.g. mimicking a sheet of paper, or rollable
Definitions
- the present application relates to the field of display technology, and in particular, to a display device.
- Flexible displays are widely used in portable display devices, such as mobile phones, tablet computers, and automotive displays, due to their flexible, foldable, bendable, and low-power consumption characteristics. With the continuous improvement of people's living standards and the continuous upgrading of consumption, flexible displays will be widely used in the future with the continuous penetration of personal smart terminals.
- the existing flexible display screen has a single shape and cannot show multiple shapes during display, which is easy to cause the audience's aesthetic fatigue and poor visual experience.
- the present application provides a display device, which can realize the effect of showing different curved shapes when a flexible display screen is unfolded.
- a display device comprising:
- the interior of the casing has a accommodating space, and the surface of the casing has an opening;
- a reel which is rotatably installed in the accommodating space around its own axis;
- a flexible display screen the flexible display screen has an opposite start end and a terminal end and an opposite display surface and a bonding surface, the start end is connected to the reel, and the terminal end is in a free state, so that the flexible display screen can be wound around
- the scroll is rolled or unfolded; when the flexible display screen is in a rolled state, the flexible display screen is accommodated in the accommodating space, and when the flexible display screen is in an unfolded state, the terminal protrudes from the opening the housing;
- the adsorption device includes a display screen adsorption plate located outside the casing, and the display screen adsorption plate has an adsorption surface, so that when the flexible display screen is in an unfolded state, the adsorption device adsorbs all the
- the flexible display screen is arranged so that the bonding surface is bonded to the adsorption surface.
- the above-mentioned display device includes a housing, the surface of the housing has an opening, the reel is placed in the housing, the flexible display screen is connected to the reel and can be rolled or unfolded around the reel, when the flexible display screen is in a rolled state, the display screen is accommodated inside the housing , when the flexible display screen is in the unfolded state, the terminal of the flexible display screen can extend out of the casing from the opening.
- the adsorption device can make the flexible display screen be adsorbed to fit with the display screen adsorption plate, so that the flexible display screen can appear the same as the display screen adsorption plate.
- Shape In the above-mentioned display device, by making the flexible display screen fit with the display screen adsorption plate when unfolded, the flexible display screen can present different curved surface shapes when unfolded, which fully reflects the aesthetic feeling of flexibility.
- the display device provided by the present application can achieve the effect that the flexible display screen presents different curved shapes when unfolded.
- the driving device is used to drive the reel to rotate around its own axis to drive the flexible display screen to curl or unwind, and when the flexible display screen is in a curled state When the flexible display screen is wound on the surface of the reel.
- the drive device includes a drive motor and a conveyor belt
- the reel has a rotating shaft
- the drive motor has a drive shaft
- the conveyor belt is respectively connected to the rotating shaft and the drive shaft
- the drive shaft passes through the conveyor belt
- the rotating shaft is driven to rotate around its own axis.
- a support structure is connected between the start end of the flexible display screen and the reel, and the connection between the support structure and the start end is a smooth transition connection.
- the thickness of the support structure is 60-150 ⁇ m.
- the material of the support structure is rubber.
- the adsorption device further comprises a power device and a power connection pipe located in the accommodating space;
- the inside of the display screen adsorption plate has a hollow structure to form an air flow cavity communicating with the power connection pipe, and the adsorption surface of the display screen adsorption board is provided with a plurality of air holes communicated with the air flow cavity;
- the power device is used for connecting the power connection pipe to form an adsorption air pressure at the air hole for adsorbing the flexible display screen.
- the thickness of the airflow cavity is 10-12 mm.
- the air holes include multiple air holes uniformly arranged along the extending direction of the display screen adsorption plate, and each air hole includes a plurality of air holes.
- the diameter of each of the air holes is 6-10 mm.
- the display screen adsorption plate includes a first end close to the casing and a second end away from the casing, the center of an exhaust hole closest to the second end and the second end The distance between them is 25-35mm, and the distance between the center of an exhaust hole closest to the first end and the first end is 15-25mm.
- the opening has a guide surface
- the connection between the guide surface and the adsorption surface is a smooth transition connection
- the material of the display screen adsorption plate is a transparent acrylic plate.
- the bonding surface is provided with a PET protective film.
- the display screen adsorption plate is detachably mounted on a side surface of the casing having an opening.
- the thickness of the flexible display screen is 100-150 ⁇ m.
- FIG. 1 is a schematic diagram of an overall structure of a display device in the application
- FIG. 2 is a schematic side view of the structure of the display device in the application
- FIG. 3 is a schematic front view of the structure of the display device in the application.
- FIG. 4 is a schematic top-view structure diagram of the display device in the application.
- FIG. 5 is a schematic structural diagram of the display device in the storage state of the flexible display screen of the application.
- FIG. 6 is a schematic structural diagram of the application when the flexible display screen is attached to the display screen adsorption plate
- FIG. 7 is an exploded schematic diagram of an overall structure of the display device in the application.
- FIG. 8 is a schematic structural diagram of the interior of the housing in the application.
- FIG. 9 is a schematic top-view structure diagram of the flexible display screen and the supporting structure in the application.
- FIG. 10 is a schematic side view of the flexible display screen and the supporting structure in the application.
- the present application provides a display device, including: a casing 1, a scroll 2, a flexible display screen 3, and an adsorption device 4, wherein the casing 1 has an accommodating space inside, And the surface of the casing 1 has an opening 11, the reel 2 is located in the accommodating space, and can rotate around its own axis.
- the flexible display screen 3 has an opposite start end 31 and a terminal end 32 as well as an opposite display surface 33 and a bonding surface 34.
- the start end 31 of the flexible display screen 3 is connected to the reel 2, and the terminal end 32 is in a free state, so that the flexible display screen 3 can be wound around.
- the reel 2 is rolled or unfolded, and when the flexible display screen 3 is in the rolled state, the flexible display screen 3 is accommodated in the accommodating space, and when the flexible display screen 3 is in the unfolded state, its terminal 32 can extend out of the casing 1 from the opening 11 .
- the adsorption device 4 includes a display screen adsorption plate 41 located outside the housing 1 , for when the flexible display screen 3 is in the unfolded state, the adsorption device 4 adsorbs the flexible display screen 3 so that the bonding surface 34 is attached to the display screen adsorption plate 41 . .
- the above-mentioned display device includes a housing 1, the surface of the housing 1 has an opening 11, a reel 2 is placed in the housing 1, and the flexible display screen 3 is connected to the reel 2 and can be rolled or unfolded around the reel 2.
- the display screen is accommodated inside the housing 1 , and when the flexible display screen 3 is in the unfolded state, the terminal 32 of the flexible display screen 3 can extend out of the housing 1 from the opening 11 .
- the adsorption device 4 can make the flexible display screen 3 be adsorbed to be attached to the display screen adsorption plate 41, so that the flexible display screen 3 can display In this case, the display surface 33 is used to display the screen normally.
- the flexible display screen 3 by making the flexible display screen 3 adhere to the display screen adsorption plate 41 when unfolded, the flexible display screen 3 can present different curved surface shapes when unfolded, which fully embodies the flexible aesthetic feeling.
- the display device provided in the present application can achieve the effect that the flexible display screen 3 presents different curved shapes when unfolded.
- the flexible display screen 3 since the flexible display screen 3 is stored in the casing 1 when it is in a curled state, it is convenient to protect the flexible display screen 3 , and easy to carry.
- the display surface 33 of the above-mentioned flexible display screen 3 can also display images at the same time during the movement of rolling or unfolding.
- the above-mentioned display device further includes a driving device 5 installed in the accommodating space for driving the reel 2 to rotate around its own axis so as to drive the flexible display screen 3 to curl or
- the unfolding facilitates the storage and unfolding of the flexible display screen 3 , and when the flexible display screen 3 is in a curled state, it is wound on the surface of the reel 2 .
- the above-mentioned driving device 5 may include a motor 51 and a conveyor belt 52, the motor 51 has a driving shaft, the reel 2 has a rotating shaft, and the conveyor belt 52 is respectively connected with the driving shaft and the rotating shaft, so that when the motor 51 works, the driving shaft passes through the The power is transmitted to the conveyor belt 52, and the conveyor belt 52 can drive the rotating shaft to rotate, so as to realize the effect of the reel 2 revolving around itself, and also realize the automatic curling and unwinding of the flexible display screen 3, so that the flexible display screen 3 has a small volume after curling, which improves the performance of the flexible display screen 3. Portability.
- the driving device 5 drives the reel 2 to rotate so that the flexible display screen 3 is rolled or unfolded
- the driving device 5 can also be used to control the length of the flexible display screen 3 to be curled or unfolded.
- the driving device 5 can be used to control the curling or unwinding length of the flexible display screen 3 through a single chip microcomputer or a PLC (Programmable Logic Controller, Programmable Logic Controller), etc., and according to the flexible display
- the size of the screen 3 carries out PLC program setting for the driving device 5, and controls the opening or closing of the driving device 5 through automatic control and detection of the length of the curling or unfolding of the flexible display screen 3, so as to prevent the flexible display screen 3 from being caused by excessive curling or unfolding. damage.
- a support structure 6 is connected between the start end 31 of the flexible display screen 3 and the reel 2 , and between the support structure 6 and the start end 31
- the connection is a smooth transition, and the connection with reel 2 is a fixed connection.
- the material of the support structure 6 may preferably be an elastic material such as rubber, and its thickness may be selected to be 60-150 ⁇ m, in order to better prevent the flexible display screen 3 from being damaged due to edge stress concentration during the curling process.
- the adsorption device 4 in the present application further includes a power device 42 and a power connection pipe 43 located in the accommodating space.
- the display screen adsorption plate 41 has a hollow structure inside to form The air flow cavity 411 communicated with the power connection pipe 43, and the adsorption surface 413 of the display screen adsorption plate 41 for fitting with the flexible display screen 3 is provided with a plurality of air holes 412 communicated with the air flow cavity 411, wherein the power device 42 is used for When the power connection pipe 43 is connected, and when the power connection pipe 43 is connected to the air flow cavity 411, the air flow in the air flow cavity 411 changes to form an adsorption air pressure on the air hole 412 on the adsorption surface 413, so as to realize the suction between the flexible display screen 3 and the display screen.
- the air flow in the airflow chamber 411 can be controlled by the power device 42 according to the size of the display screen, so as to control the adsorption air pressure of different sizes, so that the display screens of different sizes can better fit the display screen adsorption plate 41 , so as to ensure a better display effect.
- the thickness of the airflow cavity 411 can be selected to be 10-12 mm, so as to ensure that there is sufficient airflow in the airflow cavity 411 to realize the formation of adsorption air pressure in the air holes 412 .
- the plurality of air holes 412 include multiple exhaust holes 412 evenly arranged along the extending direction of the display screen adsorption plate 41 , wherein each air hole 412 Including a plurality of air holes 412, by arranging the air holes 412 evenly, it can better ensure that the air pressure of each air hole 412 is evenly formed, so that the flexible display screen 3 and the display screen adsorption plate 41 can be better fit, and further ensure the display Effect.
- the diameter of each air hole can be selected to be 6-10 mm, and on the basis of the uniform arrangement of the above-mentioned multiple air holes 412, the above-mentioned display screen adsorption plate includes a first end close to the casing. and the second end away from the housing, the distance between the center of the vent hole 412 closest to the second end and the second end is 25-35mm, and the center of the vent hole 412 closest to the first end is 25-35mm.
- the distance between the first ends is 15-25 mm, and the arrangement of the air holes 412 can better achieve the bonding effect between the flexible display screen 3 and the display screen adsorption plate 41 .
- the distance between the center of the vent hole 412 closest to the second end and the second end may preferably be 30 mm, and the distance between the center of the vent hole 412 closest to the first end and the first end may preferably be 20 mm.
- the hole center of the air hole 412 can be understood as the central axis of the air hole 412 .
- the distance from the uppermost exhaust hole 412 to the second end is short, that is, the width of the air hole 412 not provided on the upper end of the display screen adsorption plate 41 is small, even when the flexible display screen 3 completely covers the display screen adsorption plate 41, it can be Keep the flexible display screen 3 fully attached to the display screen adsorption plate 41 .
- the opening 11 has a guide portion, and the guide portion and the adsorption surface 413 are smoothly connected. , so as to prevent the flexible display screen 3 from being scratched when unfolding or retracting, and at the same time, the housing 1 can be made of metal or acrylic or other materials.
- the adsorption surface 413 of the display adsorption plate 41 and the guide surface are located on the same side of the opening 11, and the angle between the adsorption surface 413 of the display adsorption plate 41 and the surface of the opening 11 is 90-135°, so that When the flexible display screen 3 protrudes from the opening 11 , the flexible display screen 3 can be smoothly adsorbed onto the adsorption surface 413 , and at the same time, the included angle should not be too large to prevent the flexible display screen 3 from being damaged due to stress concentration at the opening 11 .
- the material of the display screen adsorption plate 41 can be selected from a transparent acrylic plate or the like. A material with a lower modulus that is easy to form can be selected to change its shape during use.
- the above-mentioned display adsorption plate 41 is detachably installed on the side surface of the casing 1 with the opening 11 . When it is necessary to change the shape of the flexible display screen 3 when it is unfolded, the display adsorption plate 41 can be replaced to realize the display different forms. Also, referring to FIG.
- the display screen suction plate 41 is detachably installed outside the casing 1 , when the flexible display screen 3 is rolled and stored in the casing 1 , the display screen suction plate 41 can be removed so as to In order to reduce the volume of the display device and further improve the portability.
- the bonding surface 34 of the flexible display screen 3 is provided with a PET protective film, which has the advantages of scratch resistance and high reliability, and can further ensure the flatness of the flexible display screen 3 during the curling or unfolding process.
- the flexible display screen 3 can use but is not limited to a narrow-frame transparent display screen, wherein the narrow-frame transparent display screen may include: a back protective film, a first optically transparent adhesive, The OLED display panel, the second optically transparent adhesive, and the front protective film, and the second optically transparent adhesive and the frontal protective film can be removed as needed.
- the thickness of the flexible display screen 3 can be in the range of 100-150 ⁇ m. Under this thickness, the flexible display screen 3 can not only be better rolled on the reel 2, but also the structure of the flexible display screen 3 closest to the reel. The stress difference between the layer and the structural layer farthest from the reel is smaller, which is more conducive to the curling of the flexible display screen 3, and can also better fit with the display screen adsorption plate 41.
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Abstract
Description
Claims (17)
- 一种显示装置,其中,包括:壳体,所述壳体内部具有容纳空间、且所述壳体表面具有开口;卷轴,所述卷轴可绕自身轴线旋转地安装于所述容纳空间;柔性显示屏,所述柔性显示屏具有相对的始端和终端以及相对的显示面和贴合面,所述始端连接于所述卷轴,所述终端为自由状态,以使所述柔性显示屏可绕所述卷轴卷曲或展开;当所述柔性显示屏处于卷曲状态时,所述柔性显示屏收纳于所述容纳空间,当所述柔性显示屏处于展开状态时,所述终端自所述开口伸出所述壳体;吸附装置,所述吸附装置包括位于所述壳体外部的显示屏吸附板,所述显示屏吸附板具有吸附面,以用于当所述柔性显示屏处于展开状态时,所述吸附装置吸附所述柔性显示屏以使得所述贴合面贴合于所述吸附面。
- 根据权利要求1所述的显示装置,其中,还包括安装于所述容纳空间的驱动装置,所述驱动装置用于驱动所述卷轴绕自身轴线旋转以驱动所述柔性显示屏卷曲或展开,且当所述柔性显示屏处于卷曲状态时,且所述柔性显示屏缠绕于所述卷轴表面。
- 根据权利要求2所述的显示装置,其中,所述驱动装置包括驱动电机和传送带,所述卷轴具有转轴,所述驱动电机具有驱动轴,所述传送带分别连接于所述转轴以及所述驱动轴,所述驱动轴通过所述传送带驱动所述转轴绕自身轴线旋转。
- 根据权利要求1所述的显示装置,其中,所述柔性显示屏的始端与所述卷轴之间连接有支撑结构,所述支撑结构与所述始端之间的连接为平滑过渡连接。
- 根据权利要求4所述的显示装置,其中,所述支撑结构的厚度为60-150μm。
- 根据权利要求4所述的显示装置,其中,所述支撑结构的材料为橡胶。
- 根据权利要求1所述的显示装置,其中,所述吸附装置还包括位于所述容纳空间的动力装置以及动力连接管;所述显示屏吸附板的内部具有中空结构以形成与所述动力连接管连通的气流腔,所述显示屏吸附板的吸附面设有多个与所述气流腔连通的气孔;所述动力装置用于连接所述动力连接管,以在所述气孔处形成用于吸附所述柔性显示屏的吸附气压。
- 根据权利要求7所述的显示装置,其中,所述气流腔的厚度为10-12mm。
- 根据权利要求7所述的显示装置,其中,所述气孔包括沿所述显示屏吸附板的延伸方向均匀排列的多排气孔,每一排气孔中包括多个气孔。
- 根据权利要求9所述的显示装置,其中,每一个所述气孔的直径为6-10mm。
- 根据权利要求10所述的显示装置,其中,所述显示屏吸附板包括靠近所述壳体的第一端和远离所述壳体的第二端,最靠近所述第二端的一排气孔的孔心与所述第二端之间的距离为25-35mm,最靠近所述第一端的一排气孔的孔心与所述第一端之间的距离为15-25mm。
- 根据权利要求7所述的显示装置,其中,所述开口具有导向面,所述导向面与所述吸附面之间的连接为平滑过渡连接。
- 根据权利要求12所述的显示装置,其中,所述吸附面与所述壳体具有开口的一侧表面之间的夹角为90-135°。
- 根据权利要求7所述的显示装置,其中,所述显示屏吸附板的材料为透明亚克力板。
- 根据权利要求7所述的显示装置,其中,所述贴合面设有PET保护膜。
- 根据权利要求1所述的显示装置,其中,所述显示屏吸附板可拆卸地安装于所述壳体具有开口的一侧表面。
- 根据权利要求1-16任一项所述的显示装置,其中,所述柔性显示屏的厚度为100-150μm。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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US18/032,596 US20230389200A1 (en) | 2020-11-30 | 2020-11-30 | Display device |
PCT/CN2020/132894 WO2022110193A1 (zh) | 2020-11-30 | 2020-11-30 | 一种显示装置 |
CN202080003114.5A CN114846531A (zh) | 2020-11-30 | 2020-11-30 | 一种显示装置 |
EP20963081.3A EP4220610A4 (en) | 2020-11-30 | 2020-11-30 | DISPLAY DEVICE |
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PCT/CN2020/132894 WO2022110193A1 (zh) | 2020-11-30 | 2020-11-30 | 一种显示装置 |
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WO2022110193A1 true WO2022110193A1 (zh) | 2022-06-02 |
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PCT/CN2020/132894 WO2022110193A1 (zh) | 2020-11-30 | 2020-11-30 | 一种显示装置 |
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US (1) | US20230389200A1 (zh) |
EP (1) | EP4220610A4 (zh) |
CN (1) | CN114846531A (zh) |
WO (1) | WO2022110193A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN115240553A (zh) * | 2022-07-28 | 2022-10-25 | 昆山国显光电有限公司 | 电子设备 |
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CN115240553B (zh) * | 2022-07-28 | 2023-11-21 | 昆山国显光电有限公司 | 电子设备 |
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EP4220610A4 (en) | 2023-11-22 |
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