CN214586302U - Hand-written liquid crystal board - Google Patents

Hand-written liquid crystal board Download PDF

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Publication number
CN214586302U
CN214586302U CN202023350740.8U CN202023350740U CN214586302U CN 214586302 U CN214586302 U CN 214586302U CN 202023350740 U CN202023350740 U CN 202023350740U CN 214586302 U CN214586302 U CN 214586302U
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China
Prior art keywords
liquid crystal
control key
crystal panel
handwriting
writing
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CN202023350740.8U
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Chinese (zh)
Inventor
尹子尧
卢国华
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Shenzhen Newlet Industrial Co ltd
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Shenzhen Newlet Industrial Co ltd
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Priority to CN202023350740.8U priority Critical patent/CN214586302U/en
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Abstract

The utility model provides a hand-written liquid crystal board, including liquid crystal diaphragm, positive shell, back lid, the PCB board that is equipped with the circuit, power supply unit, control button, writing pen, the liquid crystal diaphragm is embedded in the positive shell, the back lid is installed in positive shell bottom, and the back lid is located the liquid crystal diaphragm below, be equipped with the district of writing on the positive shell, the district of writing is located and corresponds the position with the liquid crystal diaphragm, writing pen is used for writing in the district of writing, power supply unit links to each other with the liquid crystal diaphragm, the PCB board links to each other with power supply unit, liquid crystal diaphragm, control button respectively; the control keys comprise a first control key, a second control key and a third control key, when the first control key is pressed, the picture of the whole writing area is automatically cleared, when the second control key is pressed, the picture of the left writing area is automatically cleared, and when the third control key is pressed, the picture of the right writing area is automatically cleared. The utility model has the advantages that: the hand-written liquid crystal board can be used for transparent copying and blackboard drawing.

Description

Hand-written liquid crystal board
Technical Field
The utility model relates to a handwriting pad structure field especially relates to a handwriting liquid crystal board.
Background
At present, no handwriting board which can be used for transparent copying and blackboard drawing is available in the market.
SUMMERY OF THE UTILITY MODEL
The utility model provides a hand-written liquid crystal board, including liquid crystal diaphragm, positive shell, back lid, PCB board, power supply unit, control button, the handwriting pen that is equipped with the circuit, the liquid crystal diaphragm is embedded in the positive shell, the back lid is installed in the positive shell bottom, and the back lid is located the liquid crystal diaphragm below, be equipped with the district of writing on the positive shell, the district of writing is located with the liquid crystal diaphragm corresponds the position, the handwriting pen is used for writing in the district of writing, power supply unit links to each other with the liquid crystal diaphragm, the PCB board respectively with power supply unit, the liquid crystal diaphragm, the control button links to each other; the control keys comprise a first control key, a second control key and a third control key, when the first control key is pressed, the picture of the whole writing area is automatically cleared, when the second control key is pressed, the picture of the left writing area is automatically cleared, and when the third control key is pressed, the picture of the right writing area is automatically cleared.
As a further improvement of the present invention, the handwriting liquid crystal panel includes a locking key, the locking key is connected to the PCB, and the control key cannot function after the locking key is locked.
As a further improvement of the present invention, the handwriting liquid crystal panel includes a frame, and the rear cover is mounted between the front case and the frame.
As a further improvement of the utility model, the frame includes lid, lid behind lid, the left side behind lid, the right side behind the top, the both ends of lid behind the top respectively with lid one end behind the left side lid one end links to each other behind the right side, the both ends of lid behind the bottom respectively with the left side behind the lid the other end the right side behind the lid other end links to each other.
As a further improvement of the utility model, this handwriting liquid crystal board includes the support, the support is used for supporting this handwriting liquid crystal board, be equipped with the scale on the support, the support is as measurement and drawing tool.
As a further improvement of the utility model, the writing area of the handwriting liquid crystal board can be displayed in a split screen mode according to needs.
As a further improvement of the utility model, this handwriting liquid crystal board includes the sheetmetal, the sheetmetal is installed 2 below the positive shell, the writing pen is including a body, magnet, it is embedded to write a body magnet, the writing pen passes through magnet adsorbs and corresponds on the positive shell of sheetmetal position.
As the utility model discloses a further improvement, long press first control button, it is whole write the district and can realize the local function of erasing, long press second control button, the left side is written the district and can be realized the local function of erasing, long press third control button, the right is written the district and can be realized the local function of erasing.
As a further improvement, the utility model discloses a should write by hand the liquid crystal board include infrared ray controller and receipt infrared ray controller issue command's infrared receiver, the PCB board with infrared receiver links to each other, infrared ray controller can realize the clear function of control button.
As a further improvement of the present invention, the liquid crystal membrane is transparent or black, and the rear cover is transparent or pure corresponding to the liquid crystal membrane; the front shell and the frame are made of plastic materials; the side of the hand-written liquid crystal board is provided with a hole site which can be hung; the power supply device of the handwriting liquid crystal panel comprises a battery; the front shell is provided with a handwriting pen slot, and the handwriting pen is installed in the handwriting pen slot.
The utility model has the advantages that: 1. the utility model discloses a handwriting liquid crystal board which can be used for transparent copying and blackboard drawing; 2. the utility model discloses a handwriting liquid crystal board, both sides of which are provided with the function of a bracket, and the bracket is provided with a graduated scale and can be used as a measuring and drawing tool; 3, the utility model discloses a hand-written liquid crystal board which can respectively eliminate the content of the left writing area, the right writing area and the whole writing area locally or wholly through three control keys; 4. the utility model discloses a hand-written liquid crystal plate simple structure, the practicality is strong.
Drawings
FIG. 1 is an exploded view of a hand-written liquid crystal panel according to the present invention;
FIG. 2 is a front view of a hand-written liquid crystal panel according to the present invention;
FIG. 3 is a diagram of the back structure of the hand-written liquid crystal panel of the present invention;
fig. 4 is a diagram of the structure of the handwritten liquid crystal panel display in a split screen manner.
Detailed Description
As shown in fig. 1-3, the utility model discloses a handwriting liquid crystal panel, including liquid crystal diaphragm 1, front shell 2, back cover 3, PCB 4, power supply unit, control button, the pen 6 that is equipped with the circuit, liquid crystal diaphragm 1 is embedded in the front shell 2, back cover 3 is installed in the front shell 2 bottom, and back cover 3 is located the liquid crystal diaphragm 1 below, be equipped with the region of writing on the front shell 2, the region of writing is located the position that corresponds with liquid crystal diaphragm 1, pen 6 is used for writing in the region of writing, power supply unit with liquid crystal diaphragm 1 links to each other, PCB 4 respectively with power supply unit, liquid crystal diaphragm 1, control button links to each other; the control keys comprise a first control key 7, a second control key 8 and a third control key 9, when the first control key 7 is pressed, the picture of the whole writing area is automatically cleared, when the second control key 8 is pressed, the picture of the left writing area is automatically cleared, and when the third control key 9 is pressed, the picture of the right writing area is automatically cleared.
The handwriting liquid crystal board comprises a locking key 5, wherein the locking key 5 is connected with the PCB 4, and the control key cannot function after the locking key 5 is pressed and locked.
The handwriting liquid crystal panel comprises a frame 11 and screws, wherein screw holes 30 are formed in the periphery of the rear cover 3, and the rear cover 3 is installed between the front shell 2 and the frame 11 through the screws.
Frame 11 includes lid 110 behind the top, lid 111 behind the bottom, lid 112 behind the left side, lid 113 behind the right side, the both ends of lid 110 behind the top respectively with lid 112 one end behind the left side, lid 113 one end behind the right side links to each other, the both ends of lid 111 behind the bottom respectively with the lid 112 other end behind the left side, lid 113 the other end behind the right side links to each other.
The handwritten liquid crystal panel includes a stand 10, and the stand 10 is used to support the handwritten liquid crystal panel. The support 10 is provided with a bayonet, the support 10 is clamped on two sides of the handwriting liquid crystal panel through the bayonet, and the number of the support 10 is two.
The support 10 is provided with a graduated scale, and the support 10 can be used as a measuring and drawing tool.
The writing area of the handwriting liquid crystal panel can be displayed on the whole screen, and can also be displayed on the screen in a split mode according to requirements. Fig. 4 is a view showing a structure of the handwritten liquid crystal panel in a split screen display.
This handwriting liquid crystal board includes the sheetmetal, the sheetmetal is installed 2 below the front shell, the stylus 6 includes a body, magnet, it is embedded to be the body, the stylus 6 passes through magnet adsorbs correspond on the front shell 2 of sheetmetal position.
The first control key 7 is pressed for a long time, the whole writing area can realize the local erasing function, the second control key 8 is pressed for a long time, the left writing area can realize the local erasing function, the third control key 9 is pressed for a long time, and the right writing area can realize the local erasing function.
The handwriting liquid crystal board comprises an infrared controller and an infrared receiver for receiving an instruction sent by the infrared controller, wherein the PCB 4 is connected with the infrared receiver, and the infrared controller can realize the clearing and other functions of the control keys.
The liquid crystal film 1 is transparent or black, and the area of the rear cover 3 corresponding to the liquid crystal film 1 is transparent or pure (corresponding to the liquid crystal film 1, not only can transparent copy but also can be used for blackboard drawing); the front shell 2 and the frame are made of plastic materials; the side of the hand-written liquid crystal board is provided with a hole site which can be hung; the power supply device of the handwriting liquid crystal board comprises a battery, wherein a battery bin 40 is arranged on the PCB 4, and the battery is arranged in the battery bin 40; the front shell 2 is provided with a handwriting pen slot 12, and the handwriting pen 6 is arranged in the handwriting pen slot 12.
The utility model has the advantages that: 1. the utility model discloses a handwriting liquid crystal board which can be used for transparent copying and blackboard drawing; 2. the utility model discloses a handwriting liquid crystal board, both sides of which are provided with the function of a bracket, and the bracket is provided with a graduated scale and can be used as a measuring and drawing tool; 3, the utility model discloses a hand-written liquid crystal board which can respectively eliminate the content of the left writing area, the right writing area and the whole writing area locally or wholly through three control keys; 4. the utility model discloses a hand-written liquid crystal plate simple structure, the practicality is strong.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims (10)

1. A hand-written liquid crystal panel, characterized by: the liquid crystal display device comprises a liquid crystal membrane (1), a front shell (2), a rear cover (3), a PCB (4) provided with a circuit, a power supply device, a control key and a handwriting pen (6), wherein the liquid crystal membrane (1) is embedded in the front shell (2), the rear cover (3) is installed at the bottom of the front shell (2), the rear cover (3) is positioned below the liquid crystal membrane (1), a writing area is arranged on the front shell (2), the writing area is positioned at a position corresponding to the liquid crystal membrane (1), the handwriting pen (6) is used for writing in the writing area, the power supply device is connected with the liquid crystal membrane (1), and the PCB (4) is respectively connected with the power supply device, the liquid crystal membrane (1) and the control key; the control keys comprise a first control key (7), a second control key (8) and a third control key (9), when the first control key (7) is pressed, the picture of the whole writing area is automatically cleared, when the second control key (8) is pressed, the picture of the left writing area is automatically cleared, and when the third control key (9) is pressed, the picture of the right writing area is automatically cleared.
2. The handwritten liquid crystal panel of claim 1, characterized in that: the handwriting liquid crystal plate comprises a locking key (5), wherein the locking key (5) is connected with the PCB (4), and the control key cannot function after the locking key (5) is pressed and locked.
3. The handwritten liquid crystal panel of claim 1, characterized in that: the handwriting liquid crystal panel comprises a frame (11), and the rear cover (3) is arranged between the front shell (2) and the frame (11).
4. The handwritten liquid crystal panel of claim 3, characterized in that: frame (11) are lid (110), bottom rear cover (111), left side rear cover (112), right side rear cover (113) after including the top, the both ends of lid (110) behind the top respectively with left side rear cover (112) one end right side rear cover (113) one end links to each other, the both ends of lid (111) behind the bottom respectively with the left side rear cover (112) the other end right side rear cover (113) the other end links to each other.
5. The handwritten liquid crystal panel of claim 1, characterized in that: the handwriting liquid crystal panel comprises a support (10), wherein the support (10) is used for supporting the handwriting liquid crystal panel, a graduated scale is arranged on the support (10), and the support (10) is used as a measuring and drawing tool.
6. The handwritten liquid crystal panel of claim 1, characterized in that: the writing area of the handwriting liquid crystal panel can be displayed in a split screen mode according to needs.
7. The handwritten liquid crystal panel of claim 1, characterized in that: this handwriting liquid crystal board includes the sheetmetal, the sheetmetal is installed positive shell (2) below, handwriting pen (6) are including a body, magnet, it is embedded that a body is embedded magnet, handwriting pen (6) pass through magnet adsorbs correspond on positive shell (2) of sheetmetal position.
8. The handwritten liquid crystal panel of claim 1, characterized in that: the first control key (7) is pressed for a long time, the whole writing area can realize the local erasing function, the second control key (8) is pressed for a long time, the left writing area can realize the local erasing function, the third control key (9) is pressed for a long time, and the right writing area can realize the local erasing function.
9. The handwritten liquid crystal panel of claim 1, characterized in that: the handwriting liquid crystal board comprises an infrared controller and an infrared receiver for receiving an instruction sent by the infrared controller, wherein the PCB (4) is connected with the infrared receiver, and the infrared controller can realize all functions of the control key.
10. The handwritten liquid crystal panel of claim 3, characterized in that: the liquid crystal membrane (1) is transparent or black in color, and the area of the rear cover (3) corresponding to the liquid crystal membrane (1) is transparent or pure in color; the front shell (2) and the frame are made of plastic materials; the side of the hand-written liquid crystal board is provided with a hole site which can be hung; the power supply device of the handwriting liquid crystal panel comprises a battery; be equipped with writing pen slot (12) on front shell (2), writing pen (6) are installed in writing pen slot (12).
CN202023350740.8U 2020-12-31 2020-12-31 Hand-written liquid crystal board Active CN214586302U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202023350740.8U CN214586302U (en) 2020-12-31 2020-12-31 Hand-written liquid crystal board

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202023350740.8U CN214586302U (en) 2020-12-31 2020-12-31 Hand-written liquid crystal board

Publications (1)

Publication Number Publication Date
CN214586302U true CN214586302U (en) 2021-11-02

Family

ID=78345037

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202023350740.8U Active CN214586302U (en) 2020-12-31 2020-12-31 Hand-written liquid crystal board

Country Status (1)

Country Link
CN (1) CN214586302U (en)

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