CN201435070Y - Display equipment and light pen - Google Patents
Display equipment and light pen Download PDFInfo
- Publication number
- CN201435070Y CN201435070Y CN200920154999XU CN200920154999U CN201435070Y CN 201435070 Y CN201435070 Y CN 201435070Y CN 200920154999X U CN200920154999X U CN 200920154999XU CN 200920154999 U CN200920154999 U CN 200920154999U CN 201435070 Y CN201435070 Y CN 201435070Y
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- light pen
- circuit unit
- display device
- infrared
- matrix
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Abstract
The utility model provides a display equipment and a light pen, being applicable to the technical field of electronic equipment. The display equipment comprises a liquid crystal panel as well as a scanning control circuit unit and a processing unit, wherein the scanning control circuit unit is internally provided with an infrared emitting pipe, and carries out scanning to a liquid crystal matrix and an infrared emitting matrix which is composed by the infrared emitting pipes; and the processing unit is connected with the scanning control circuit unit, receives a light pen signal sent by an external light pen, and calculates the position of the light pen according to the data scanned by the scanning control circuit unit. In the utility model, the scanning control circuit unit is internallyprovided with the infrared emitting pipe, and carries out scanning on the liquid crystal matrix and the infrared emitting matrix which is composed by the infrared emitting pipes; and the processing unit is connected with the scanning control circuit unit, receives the light pen signal sent by the external light pen, and calculates the position of the light pen according to the data scanned by thescanning control circuit unit, thus solving the defect of the existing touch control input mode.
Description
Technical field
The utility model belongs to technical field of electronic equipment, relates in particular to a kind of display device and light pen.
Background technology
Along with the developing rapidly and popularizing of processor and computer, the mode of liquid crystal input mainly is the touch-control input, and input mode is mainly resistance-type and condenser type, but, the touch-control input all needs input is proofreaied and correct, troublesome poeration, and also the cost of the display device of employing touch-control input is also than higher.
The utility model content
The purpose of this utility model is to provide a kind of display device, and the liquid crystal input mode that is intended to solve prior art is a touch control manner, and need proofread and correct the touch-control input, and the high problem of cost.
The utility model is achieved in that a kind of display device, comprises liquid crystal panel, and described display device also comprises:
Be built-in with the infrared transmitting tube that sends infrared signal to light pen, to liquid crystal matrix and the scan control circuit unit that scans by the infrared emission matrix that described infrared transmitting tube is formed; And
Be connected with described scan control circuit unit, receive the light pen signal that outside light pen sends, according to the processing unit of the data computation light pen position of described scan control circuit unit scan.
Described scan control circuit unit comprises:
Be connected with described processing unit, be built-in with crystal display matrix and the matrix circuit unit of the infrared emission matrix formed by the infrared transmitting tube that is distributed in described crystal display matrix ranks crossover location place; And
Be connected with described processing unit with described matrix circuit unit, to the rank scanning circuit unit of described matrix circuit unit procession scanning.
Described display device also comprises:
Be connected with described processing unit, receive the input circuit unit of the light pen signal of outside light pen input.
Described display device also comprises:
Be connected with described processing unit, export the output circuit unit of described processing unit processes object information.
Another purpose of the present utility model is to provide a kind of and described display device the auxiliary light pen that uses, and described light pen comprises body construction, and described light pen also comprises:
Be built in described body construction, receive the infrared signal of the infrared transmitting tube transmission of described display device, and export the infrared receiving tube of described infrared signal; And
Be built in described body construction, be connected, receive the infrared signal of described infrared receiving tube output, generate the light pen signal, and export the control module of described light pen signal to described display device with described infrared receiving tube.
In the utility model, the scan control circuit unit is built-in with the infrared transmitting tube that sends infrared signal to light pen, scans to liquid crystal matrix and by the infrared emission matrix that described infrared transmitting tube is formed; Processing unit is connected with the scan control circuit unit, receives the light pen signal that outside light pen sends, and according to the data computation light pen position of scan control circuit unit scan, has solved the defective of existing touch-control input mode, is user-friendly to.
Description of drawings
Fig. 1 is the structured flowchart of the display device that provides of the utility model embodiment;
Fig. 2 is the structured flowchart of the light pen that provides of the utility model embodiment;
Fig. 3 is the point by point scanning oscillogram that the utility model embodiment provides;
Fig. 4 is (row) in advance back spot scan oscillogram that the utility model embodiment provides;
Fig. 5 is the rank scanning oscillogram that the utility model embodiment provides.
Description of reference numerals:
11: the scan control circuit unit; 111: the matrix circuit unit; 112: the rank scanning circuit unit;
1111: the infrared emission matrix; 1112: crystal display matrix; 12: processing unit;
13: input circuit unit; 14: output circuit unit; 21: body construction; 22: control module;
23: infrared receiving tube;
SEG: column signal; COM: row signal; SEN: light pen signal.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
In the utility model embodiment, the scan control circuit unit is built-in with the infrared transmitting tube that sends infrared signal to light pen, scans to liquid crystal matrix and by the infrared emission matrix that described infrared transmitting tube is formed; Processing unit is connected with the scan control circuit unit, receives the light pen signal that outside light pen sends, according to the data computation light pen position of scan control circuit unit scan.
Fig. 1 shows the structured flowchart of the display device that the utility model embodiment provides, and for convenience of explanation, has only provided the part relevant with the utility model embodiment among the figure.
The display device that the utility model embodiment provides comprises liquid crystal panel (not shown), scan control circuit unit 11 and processing unit 12.
In the utility model embodiment, scan control circuit unit 11 is built-in with the infrared transmitting tube that sends infrared signal to outside light pen, scan control circuit unit 11 continues to scan to liquid crystal matrix with by the infrared emission matrix that infrared transmitting tube is formed, and generates a series of data.As oscillogram, following is that example describes with the oscillogram, but not in order to restriction the utility model; When processing unit 12 received the light pen signal of outside light pen transmission, processing unit 12 was determined current outside light pen position according to the data computation of scan control circuit unit 11 scannings.
In the utility model embodiment, scan control circuit unit 11 comprises matrix circuit unit 111 and rank scanning circuit unit 112, wherein, the matrix circuit unit 111 infrared emission matrix 1112 that is built-in with crystal display matrix 1111 and forms by the infrared transmitting tube that is distributed in crystal display matrix 1111 ranks crossover location places; The 111 processions scanning of 112 pairs of described matrix circuits of rank scanning circuit unit unit.
In the utility model embodiment, the input circuit unit 13 that is connected with processing unit 12 receives the light pen signal of outside light pen input, and in this embodiment, input circuit unit 13 is used for receiving the light pen signal that light pen sends, and sends processing unit 12 to; The output circuit unit that is connected with processing unit 12 14 output processing units 12 processing result information, wherein, the way of output of this output circuit unit 14 comprises data, voice or screen output, at this not in order to restriction the utility model.
Fig. 2 shows the structured flowchart of the light pen that the utility model embodiment provides, and for convenience of explanation, has only provided the part relevant with the utility model embodiment among the figure.
The supporting use of the display device that the light pen that the utility model embodiment provides and the foregoing description provide is assisted and is finished the signal input, and light pen comprises body construction 21, control module 22 and infrared receiving tube 23.
In the utility model embodiment, when display device put in the exterior light style of writing, the infrared receiving tube 23 of the infrared transmitting tube 1112 of display device on light pen sends infrared signal, the infrared receiving tube 23 of light pen outputs to this infrared signal the control module 22 of light pen, after light control unit 22 receives infrared signal, generate the light pen signal, and export these light pen signals to the input circuit unit 13 of display device; Input circuit unit 13 outputs to processing unit 12 with this light pen signal, and processing unit 12 receives this light pen signal, confirms the contact position of current light pen according to the data computation of scan control circuit unit 11 scannings.
As a specific embodiment of the present utility model, with the matching used display device of light pen can be the liquid crystal chessboard, above-mentioned light pen replaces the chess piece input, the contact position of light pen is the position of beginning of chess piece, in this embodiment, built-in each infrared transmitting tube of liquid crystal chessboard is the position of beginning of corresponding chess piece one by one all, according to scanning to liquid crystal matrix, that determines the current both sides of playing chess begins the position wherein, and 111 pairs of the rank scanning circuit units of liquid crystal chessboard scan control circuit unit 11 can comprise following manner by the scanning of the infrared emission matrix 1112 that infrared transmitting tube is formed:
Mode 1, point by point scanning:
As shown in Figure 3, during (row) scanning impulse of being expert at, row (OK) are pursued row (OK) send pulse and scan, reach the purpose of point by point scanning; In scanning, computing is counted in the pulse that the ranks of 12 pairs of current crystal display matrix 1111 of processing unit send, when receiving the light pen signal of light pen transmission, read the count value of the ranks of current crystal display matrix 1111, can calculate the location point of determining that current light pen is dropped on.
As shown in Figure 4, processing unit 12 all puts one to the numerical value of row when the ranks of crystal display matrix 1221 send pulse, reach row (row) is scanned; When receiving the light pen signal of light pen transmission, 12 pairs of processing units be expert at (row) write down and row (OK) carried out the output of sweep signal, when row (OK) scanning, light pen also can receive a signal again, record is carried out in 12 pairs of row of processing unit (OK) scanning position, the ranks value that current scanning obtains can be determined the focal position of ranks, i.e. the position of light pen input point.
Mode 3, rank scanning:
As shown in Figure 5, the first step: as Fig. 5 1., elder generation is scanned row (row), when going (row) scanning, simultaneously the numerical value of row (OK) is all put one, when receiving the light pen signal of light pen transmission, and the position of processing unit 11 these some row (row) of record; Second step: as 2. again row being scanned simultaneously in row (OK) scanning of Fig. 5, simultaneously row (row) sweep signal is all put one, when receiving the light pen signal of light pen transmission, the position of processing unit 11 these point ranges of record (OK), therefore, it is exactly a coordinate that the data combination of row and column is got up, and can determine the position of this point.
Wherein, in Fig. 3, Fig. 4, Fig. 5, COM represents the row signal, SEG represents column signal, and SEN represents the light pen signal, and dotted portion is the position that waveform changes in fact, above-mentioned three kinds of scan modes that only provide for the utility model embodiment, this not in order to the restriction the utility model.
In the utility model embodiment, with the matching used display device of light pen can be electronic chess-plate or other electronic equipments, restaurant, hotel menu for example, touch screen etc., structure setting that it is detailed and scan control realize as mentioned above, do not repeat them here, but not in order to restriction the utility model.
In the utility model embodiment, the scan control circuit unit is built-in with the infrared transmitting tube that sends infrared signal to light pen, scans to liquid crystal matrix and by the infrared emission matrix that described infrared transmitting tube is formed; Processing unit is connected with the scan control circuit unit, receives the light pen signal that outside light pen sends, and according to the data computation light pen position of scan control circuit unit scan, has solved the defective of existing touch-control input mode, is user-friendly to.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (5)
1, a kind of display device comprises liquid crystal panel, it is characterized in that, described display device also comprises:
Be built-in with the infrared transmitting tube that sends infrared signal to light pen, to liquid crystal matrix and the scan control circuit unit that scans by the infrared emission matrix that described infrared transmitting tube is formed; And
Be connected with described scan control circuit unit, receive the light pen signal that outside light pen sends, according to the processing unit of the data computation light pen position of described scan control circuit unit scan.
2, display device as claimed in claim 1 is characterized in that, described scan control circuit unit comprises:
Be connected with described processing unit, be built-in with crystal display matrix and the matrix circuit unit of the infrared emission matrix formed by the infrared transmitting tube that is distributed in described crystal display matrix ranks crossover location place; And
Be connected with described processing unit with described matrix circuit unit, to the rank scanning circuit unit of described matrix circuit unit procession scanning.
3, display device as claimed in claim 1 is characterized in that, described display device also comprises:
Be connected with described processing unit, receive the input circuit unit of the light pen signal of outside light pen input.
4, display device as claimed in claim 1 is characterized in that, described display device also comprises:
Be connected with described processing unit, export the output circuit unit of described processing unit processes object information.
5, the auxiliary light pen that uses of the described display device of a kind of and claim 1 is characterized in that described light pen comprises body construction, and described light pen also comprises:
Be built in described body construction, receive the infrared signal of the infrared transmitting tube transmission of described display device, and export the infrared receiving tube of described infrared signal; And
Be built in described body construction, be connected, receive the infrared signal of described infrared receiving tube output, generate the light pen signal, and export the control module of described light pen signal to described display device with described infrared receiving tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920154999XU CN201435070Y (en) | 2009-05-14 | 2009-05-14 | Display equipment and light pen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920154999XU CN201435070Y (en) | 2009-05-14 | 2009-05-14 | Display equipment and light pen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201435070Y true CN201435070Y (en) | 2010-03-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920154999XU Expired - Fee Related CN201435070Y (en) | 2009-05-14 | 2009-05-14 | Display equipment and light pen |
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| CN (1) | CN201435070Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102436326A (en) * | 2011-12-29 | 2012-05-02 | 四川虹欧显示器件有限公司 | Writing board, manufacturing method thereof and writing pen |
| CN103092382A (en) * | 2011-11-03 | 2013-05-08 | 中兴通讯股份有限公司 | Device and method for detecting and processing |
| CN106104428A (en) * | 2014-01-20 | 2016-11-09 | 普罗米斯有限公司 | Active pointing device detects |
| CN106133655A (en) * | 2014-01-20 | 2016-11-16 | 普罗米斯有限公司 | Touching device detects |
-
2009
- 2009-05-14 CN CN200920154999XU patent/CN201435070Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103092382A (en) * | 2011-11-03 | 2013-05-08 | 中兴通讯股份有限公司 | Device and method for detecting and processing |
| WO2013063841A1 (en) * | 2011-11-03 | 2013-05-10 | 中兴通讯股份有限公司 | Detection processing device and method |
| CN102436326A (en) * | 2011-12-29 | 2012-05-02 | 四川虹欧显示器件有限公司 | Writing board, manufacturing method thereof and writing pen |
| CN102436326B (en) * | 2011-12-29 | 2014-02-19 | 四川虹欧显示器件有限公司 | Writing board, manufacturing method thereof and writing pen |
| CN106104428A (en) * | 2014-01-20 | 2016-11-09 | 普罗米斯有限公司 | Active pointing device detects |
| CN106133655A (en) * | 2014-01-20 | 2016-11-16 | 普罗米斯有限公司 | Touching device detects |
| US10168831B2 (en) | 2014-01-20 | 2019-01-01 | Promethean Limited | Touch device detection |
| CN106133655B (en) * | 2014-01-20 | 2019-04-09 | 普罗米斯有限公司 | Detect existing method and contact detection system of the pointing device at interaction surface |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100331 Termination date: 20120514 |