CN113178145A - Electronic table board - Google Patents

Electronic table board Download PDF

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Publication number
CN113178145A
CN113178145A CN202110330798.6A CN202110330798A CN113178145A CN 113178145 A CN113178145 A CN 113178145A CN 202110330798 A CN202110330798 A CN 202110330798A CN 113178145 A CN113178145 A CN 113178145A
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CN
China
Prior art keywords
electronic table
color
table card
color display
back plate
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN202110330798.6A
Other languages
Chinese (zh)
Inventor
庞志鹏
王晖
罗迁
陆伟宙
康立溪
黄伟如
郑建飞
曾沂粲
柯行斌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Planning and Designing Institute of Telecommunications Co Ltd
Original Assignee
Guangdong Planning and Designing Institute of Telecommunications Co Ltd
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 Guangdong Planning and Designing Institute of Telecommunications Co Ltd filed Critical Guangdong Planning and Designing Institute of Telecommunications Co Ltd
Priority to CN202110330798.6A priority Critical patent/CN113178145A/en
Publication of CN113178145A publication Critical patent/CN113178145A/en
Pending legal-status Critical Current

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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
    • G09F9/37—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being movable elements
    • G09F9/372—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being movable elements the positions of the elements being controlled by the application of an electric field
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/165—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on translational movement of particles in a fluid under the influence of an applied field
    • G02F1/166—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on translational movement of particles in a fluid under the influence of an applied field characterised by the electro-optical or magneto-optical effect
    • G02F1/167—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on translational movement of particles in a fluid under the influence of an applied field characterised by the electro-optical or magneto-optical effect by electrophoresis
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/165—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on translational movement of particles in a fluid under the influence of an applied field
    • G02F1/1675—Constructional details
    • G02F1/16753—Structures for supporting or mounting cells, e.g. frames or bezels

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Health & Medical Sciences (AREA)
  • Theoretical Computer Science (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Molecular Biology (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)

Abstract

The invention provides an electronic table card, comprising: at least one color display panel; wherein the color display panel includes: the black-and-white ink screen comprises a shell back plate, a black-and-white ink screen, a light-transmitting color film, a circuit main board and a shell panel, wherein the black-and-white ink screen is arranged inside the shell back plate, the light-transmitting color film is arranged on the display side of the black-and-white ink screen, the circuit main board is arranged on the non-display side of the black-and-white ink screen, and the shell panel is arranged to cover the light-transmitting color film and is connected with the shell back plate. By adding the light-transmitting color film on the display side of the black-and-white ink screen, color display can be realized at low cost, the brushing speed of the color display is improved, and the power consumption of the electronic table card is reduced.

Description

Electronic table board
Technical Field
The invention relates to the technical field of digital display equipment, in particular to an electronic table board.
Background
The electronic ink screen is free of glare when displaying images, attractive and elegant, does not reflect light when being photographed, is often applied to electronic table boards, and the existing color electronic table boards generally adopt a three-color ink screen to display the table boards.
In order to meet the driving requirements of a three-color ink screen, display control is generally more complex, and full screen refreshing is required, so that the requirement on the storage capacity of a master control MCU (microprogrammed control unit) chip is higher, a higher-end MCU is required to be used as a core master control device, and the interface of the three-color ink screen is more complex, so that the cost of the electronic table is increased; meanwhile, the electronic table board adopting the three-color ink screen is slow in writing speed during high-resolution display, a user needs to wait for full screen writing for a long time, user experience is poor, and power consumption of the electronic table board is high.
Disclosure of Invention
In view of the above, an object of the present invention is to provide an electronic table board capable of realizing color display at low cost, and improving the writing speed of the color display and reducing the power consumption of the electronic table board.
In order to achieve the above object, in a first aspect, the present invention provides an electronic table card comprising:
at least one color display panel;
wherein the color display panel includes:
a housing back plate;
the black-and-white ink screen is arranged inside the shell back plate;
the light-transmitting color film is arranged on the display side of the black-and-white ink screen;
the circuit main board is arranged on the non-display side of the black-and-white ink screen;
and the shell panel is arranged to cover the light-transmitting color film and is connected with the shell backboard.
By adding the light-transmitting color film on the basis of the black-white ink screen, color display can be realized at low cost, the brushing speed of the color display is improved, and the power consumption of the electronic table card is reduced.
Optionally, in the electronic table card, the color display panel further includes:
and the opaque color film is arranged between the circuit main board and the shell back plate and covers the inner surface of the shell back plate.
By adding the opaque color film, the components inside can be effectively prevented from being seen through the housing back plate, and the effect of beauty is achieved.
Optionally, in the electronic table card, a pattern is disposed on a film layer of the light-transmitting color film of the color display panel.
Through set up the pattern on the rete of printing opacity color film, can show the pattern that sets up on the rete of printing opacity color film, can make electronic table tablet display content richer.
Optionally, the electronic table card includes two color display panels and a connecting portion connecting the two color display panels.
By arranging the two color display panels, the double-sided electronic table board can be obtained.
Optionally, in the electronic table board, the connecting portion includes an angle adjusting device, and the angle adjusting device is used for adjusting an angle formed by the two color display panels.
By arranging the angle adjusting device, the flexibility of adjusting the opening angle of the double-sided electronic table board can be improved.
Optionally, in the above electronic table board, the angle adjusting device includes a connecting shaft and an engagement structure symmetrically disposed at a midpoint of the connecting shaft, the engagement structure includes a first circular ring and a second circular ring concentrically disposed, a plurality of first protrusions are disposed on an inner surface of the first circular ring, a plurality of second protrusions are disposed on an outer surface of the second circular ring, and the second protrusions are in cross engagement with gaps between the first protrusions.
Through setting up the interlock structure, can be quick with the opening angle adjustment of two-sided electronic table tablet to unified predetermined angle, improve operating efficiency.
Optionally, in the electronic table card, the first bump is in a frustum pyramid shape, the second bump is in a frustum pyramid shape, and an occlusal surface of the frustum pyramid-shaped first bump and the frustum pyramid-shaped second bump is roughened.
The shape of the first bump and the second bump is set to be the frustum pyramid, so that the occlusion stability of the occlusion structure can be improved; the occlusion stability of the occlusion structure can be further improved by roughening the occlusion surfaces of the first projections in the shape of truncated pyramids and the second projections in the shape of truncated pyramids.
Optionally, in the electronic table card, an area of the engagement surface accounts for 60% or more of a surface area of the second bump terrace.
The area of the occlusion surface is set to be more than 60% of the surface area of the second bump frustum pyramid, and the occlusion stability of the occlusion structure can be further improved through a larger occlusion area.
Optionally, in the electronic table card, an angle formed by the two color display panels is 0 to 80 °.
Compared with the prior art, the invention has the following beneficial effects:
according to the electronic table board provided by the invention, the light-transmitting color film is added on the basis of the black-white ink screen, so that color display can be realized at low cost, the brushing speed of the color display is improved, and the power consumption of the electronic table board is reduced; when two color display panels are arranged as the double-sided electronic table board, the flexibility of adjusting the opening angle of the double-sided electronic table board can be improved through the angle adjusting device of the connecting part; through angle adjusting device's interlock structure, can be quick with the opening angle adjustment of two-sided electronic table tablet to unified predetermined angle, raise the efficiency.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic diagram of an electronic table card according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of an electronic table card according to an embodiment of the present invention;
FIG. 3 is a schematic view of another electronic table card structure disclosed in the embodiments of the present invention;
FIG. 4 is a schematic diagram of a double-sided electronic table card according to an embodiment of the present invention;
fig. 5 is a schematic view of a double-sided electronic table card engaging structure according to an embodiment of the invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terms "first," "second," and the like in the description and claims of the present invention and in the above-described drawings are used for distinguishing between different objects and not for describing a particular order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, apparatus, product, or apparatus that comprises a list of steps or elements is not limited to those listed but may alternatively include other steps or elements not listed or inherent to such process, method, product, or apparatus.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
Referring to fig. 1 and fig. 2, which are respectively a structure diagram of an electronic table card and an electronic table card disclosed in an embodiment of the present invention, an electronic table card of an embodiment of the present invention is a single-sided electronic table card, and includes a color display panel 10, where the color display panel 10 includes a housing back plate 14, and the housing back plate 14 can protect internal components; the black-and-white ink screen 11 is arranged inside the shell back plate 14, and the black-and-white ink screen 11 displays set information; the light-transmitting color film 12 is arranged on the display side of the black-and-white ink screen 11; the circuit main board 13 is arranged on the non-display side of the black-and-white ink screen 11, the circuit main board 13 comprises electronic components, modules and other structures, and the color display panel 10 can be controlled through the circuit main board 13; a battery is further arranged on the non-display side of the black-and-white ink screen 11, and the battery can be a rechargeable battery, such as a rechargeable lithium battery, or a non-rechargeable battery; and the shell panel 15 is arranged to cover the light-transmitting colored film 12 and is connected with the shell back plate 14 by a screw connection or a snap connection.
In the embodiment of the present invention, the color of the light-transmitting color film 12 of the color display panel 10 of the electronic table card may be any single color, or may also be a color composed of two or more colors, a pattern may also be included on the film layer of the light-transmitting color film 12, for example, a logo pattern, and finally, the color displayed by the color display panel 10 is the same as the color of the light-transmitting color film 12.
Specifically, for example, when the light-transmitting color film 12 is red, the color finally displayed on the electronic table card is red; when the light-transmitting color film 12 is a color composed of red and blue, the color finally displayed by the electronic table card is the same color composed of red and blue as the light-transmitting color film 12; when the pattern is included on the film layer of the light-transmissive color film 12, the pattern finally displayed on the electronic table card includes the pattern included on the film layer of the light-transmissive color film 12. It should be understood that the color of the light-transmitting color film 12 can be any single color, and can also be any color composed of two or more colors, and the color displayed by the electronic table card is consistent with the color of the light-transmitting color film 12, so that the color displayed by the electronic table card can be changed according to the color of the light-transmitting color film 12, and more flexible color display can be realized.
In the embodiment of the invention, the light-transmitting color film 12 is added on the basis of the black-and-white ink screen 11 of the color display panel 10 of the electronic table board, so that color display can be realized at low cost, the brushing speed of the color display is improved, and the power consumption of the electronic table board is reduced.
As shown in fig. 3, which is a schematic structural diagram of another electronic table card, as an alternative embodiment, the color display panel 10 of the electronic table card further includes an opaque color film 16, which is disposed between the circuit board 13 and the housing back plate 14 and covers an inner surface of the housing back plate 14, the opaque color film 16 and the transparent color film 12 may have the same or different colors, the color may be any single color, or may be a color composed of two or more colors, and a pattern, for example, a logo pattern, may be included on a film layer of the opaque color film 16. Because of the opaque color film 16, the internal components can be effectively prevented from being seen through the housing back plate 14, and the aesthetic effect can be achieved.
As shown in fig. 4, an electronic table card disclosed in the embodiment of the present invention is a double-sided electronic table card, and includes two color display panels (the two color display panels are respectively labeled as 20 and 30) and a connecting portion 40 connecting the two color display panels 20 and 30, so that any one edge of the two color display panels 20 and 30 of the double-sided electronic table card is connected.
In the embodiment of the present invention, the color displayed by the double-sided electronic table card is the same as the color of the respective transparent color film 12 (the internal structure of the double-sided electronic table card is not shown) of the two color display panels 20 and 30, and the color displayed by the double-sided electronic table card can be changed according to the color of the respective transparent color film 12, so as to implement more flexible color display.
In the embodiment of the present invention, as shown in fig. 5, in the double-sided electronic table board, the connecting portion 40 includes an angle adjusting device, the angle adjusting device is used for adjusting the angles of the two color display panels 20 and 30, and by setting the angle adjusting device, the angle formed by the color display panels 20 and 30 can be changed, so that the flexibility of adjusting the opening angle of the double-sided electronic table board can be improved.
Specifically, in the embodiment of the present invention, when the two color display panels 20 and 30 of the double-sided electronic table card are at an angle of 0 ° in the storage state, the size of the double-sided electronic table card can be further reduced, and the occupied space for storing the double-sided electronic table card can be reduced; when the two color display panels 20, 30 of the double-sided display table card are opened, the angle can be adjusted to a smaller angle, for example, to 40 ° when the overall height of the double-sided electronic table card is to be made higher, and can be adjusted to a larger angle, for example, to 80 ° when the overall height of the double-sided electronic table card is to be made shorter.
In the embodiment of the present invention, as shown in fig. 5, in the above-mentioned double-sided electronic table board, the angle adjusting device includes a connecting shaft 401 and a plurality of engaging structures 402 symmetrically disposed at the midpoint of the connecting shaft 401, the number of the engaging structures 402 may be 2 or 4, and the stability of the double-sided electronic table board may be improved by disposing a plurality of engaging structures 402 in pairs, it can be understood that the number of the engaging structures 402 is not limited to 2 or 4, and may also be more even numbers, and the embodiment of the present invention is not limited thereto.
Specifically, in the embodiment of the present invention, as shown in fig. 5, in the double-sided electronic table card, the engaging structure 402 includes a first ring 4021 and a second ring 4022 which are concentrically arranged, the inner surface of the first ring 4021 is provided with a plurality of first protrusions a, the outer surface of the second ring 4022 is provided with a plurality of second protrusions B, and the second protrusions B are cross engaged with the gaps between the first protrusions a, so that when a meeting place of a large conference is used, a large number of double-sided electronic table cards need to be opened to a uniform angle in a short time, and the opening angle of the double-sided electronic table cards can be rapidly adjusted to a uniform predetermined angle by the engaging structure 402, thereby improving the operation efficiency.
In the embodiment of the present invention, the plurality of first protrusions a disposed on the inner surface of the first ring 4021 are shaped as frustum pyramid, and the plurality of second protrusions B disposed on the outer surface of the second ring 4022 are also shaped as frustum pyramid engaging with the gaps between the first protrusions a, so that the shape of the first protrusions a and the shape of the second protrusions B are shaped as frustum pyramid, thereby improving the engagement stability of the engagement structure 402.
Furthermore, the engaging surface of the gap cross engagement connection between the second bump B and the first bump a is roughened, and the engaging surface of the engagement connection between the first bump a and the second bump B is roughened, so that the frictional force of the engagement connection between the first bump a and the second bump B can be effectively improved, and the engagement stability of the engagement structure 402 can be further improved.
Further, the area of the engagement surface of the gap cross engagement connection between the second bump B and the first bump a occupies 60% or more of the surface area of the second bump terrace, and thus, the engagement stability of the engagement structure 402 can be further improved by a larger engagement area.
It is understood that the first protrusion a and the second protrusion B may also be in other shapes that can implement a snap connection, and the embodiment of the present invention is not limited thereto.
In summary, according to the electronic table card provided by the present invention, the light-transmissive color film 12 is disposed in the color display panel 10 of the electronic table card, so that color display can be achieved at low cost, and meanwhile, the brushing speed of the color display is increased, and the power consumption of the electronic table card is reduced. In the double-sided electronic table board comprising the two color display panels, low-cost color display can be realized, the brushing speed of the color display is improved, and the power consumption of the electronic table board is reduced; the flexible adjustment of the angle of the double-sided electronic table card can be realized by the angle adjusting device of the connecting portion 40 of the two color display panels 20 and 30, and the operation efficiency of adjusting the opening angle of the double-sided electronic table card to a uniform preset angle can be improved and the engagement stability can be improved by the engagement structure 402 in the angle adjusting device.
The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (9)

1. An electronic table card, comprising:
at least one color display panel (10);
wherein the color display panel (10) comprises:
a housing back plate (14);
the black-and-white ink screen (11) is arranged inside the shell back plate (14);
the light-transmitting color film (12) is arranged on the display side of the black-and-white ink screen (11);
the circuit main board (13) is arranged on the non-display side of the black-and-white ink screen (11);
a housing panel (15) disposed to cover the light-transmissive color film (12) and connected to the housing back plate (14).
2. The electronic table card according to claim 1, wherein the color display panel (10) further comprises:
and the opaque color film (16) is arranged between the circuit main board (13) and the shell back plate (14) and covers the inner surface of the shell back plate (14).
3. The electronic desk card according to claim 1 or 2, wherein a pattern is provided on a film layer of the light-transmissive color film (12) of the color display panel (10).
4. An electronic table card according to claim 3, characterized by comprising two said color display panels (10) and a connecting portion (40) connecting the two said color display panels (10).
5. Electronic table card according to claim 4, characterized in that the connecting portion (40) comprises angle adjustment means for adjusting the angle of the two color display panels (10).
6. The electronic table card of claim 5, wherein the angle adjusting device comprises a connecting shaft (401) and a snap structure (402) symmetrically arranged at the midpoint of the connecting shaft (401), the snap structure (402) comprises a first circular ring (4021) and a second circular ring (4022) which are concentrically arranged, a plurality of first protrusions are arranged on the inner surface of the first circular ring (4021), a plurality of second protrusions are arranged on the outer surface of the second circular ring (4022), and the second protrusions are in cross-snap connection with gaps between the first protrusions.
7. The electronic table card according to claim 6, wherein the first projection is in a shape of a truncated pyramid, the second projection is in a shape of a truncated pyramid, and an engagement surface of the first projection in a shape of a truncated pyramid and the second projection in a shape of a truncated pyramid is roughened.
8. The electronic table card of claim 7, wherein the area of the bite surface is greater than 60% of the surface area of the second raised block ledge.
9. Electronic table card according to any of claims 4-8, characterised in that the angle formed by the two colour display panels (10) is 0 ° -80 °.
CN202110330798.6A 2021-03-26 2021-03-26 Electronic table board Pending CN113178145A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110330798.6A CN113178145A (en) 2021-03-26 2021-03-26 Electronic table board

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110330798.6A CN113178145A (en) 2021-03-26 2021-03-26 Electronic table board

Publications (1)

Publication Number Publication Date
CN113178145A true CN113178145A (en) 2021-07-27

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110330798.6A Pending CN113178145A (en) 2021-03-26 2021-03-26 Electronic table board

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CN (1) CN113178145A (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206833864U (en) * 2017-06-20 2018-01-02 大连雷博科技有限公司 A kind of electronic table tablet stand
CN109782507A (en) * 2017-11-13 2019-05-21 广州奥翼电子科技股份有限公司 Color electric paper display screen, color electric label and preparation method thereof
CN210378274U (en) * 2019-10-24 2020-04-21 江苏锦花电子股份有限公司 Electronic label for overhead transmission line tower
CN111290188A (en) * 2020-01-20 2020-06-16 成都中科信息技术有限公司 Electronic table card display screen, electronic table card terminal, electronic table card system and display content updating method thereof
CN111700360A (en) * 2020-07-06 2020-09-25 董昌民 Anti-pollution cosmetic box improved structure
CN211716106U (en) * 2020-01-17 2020-10-20 江苏精仪达科技有限公司 Base type ink screen wireless electronic table board
CN211821434U (en) * 2020-03-09 2020-10-30 深圳市金泰壹电子有限公司 Liquid crystal display screen capable of adjusting angle
CN212782597U (en) * 2020-09-03 2021-03-23 浙江宝兴智慧城市建设有限公司 Intelligent electronic table board

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206833864U (en) * 2017-06-20 2018-01-02 大连雷博科技有限公司 A kind of electronic table tablet stand
CN109782507A (en) * 2017-11-13 2019-05-21 广州奥翼电子科技股份有限公司 Color electric paper display screen, color electric label and preparation method thereof
CN210378274U (en) * 2019-10-24 2020-04-21 江苏锦花电子股份有限公司 Electronic label for overhead transmission line tower
CN211716106U (en) * 2020-01-17 2020-10-20 江苏精仪达科技有限公司 Base type ink screen wireless electronic table board
CN111290188A (en) * 2020-01-20 2020-06-16 成都中科信息技术有限公司 Electronic table card display screen, electronic table card terminal, electronic table card system and display content updating method thereof
CN211821434U (en) * 2020-03-09 2020-10-30 深圳市金泰壹电子有限公司 Liquid crystal display screen capable of adjusting angle
CN111700360A (en) * 2020-07-06 2020-09-25 董昌民 Anti-pollution cosmetic box improved structure
CN212782597U (en) * 2020-09-03 2021-03-23 浙江宝兴智慧城市建设有限公司 Intelligent electronic table board

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