CN101546059B - Liquid crystal display device, infrared transmitting device and remote control display system - Google Patents
Liquid crystal display device, infrared transmitting device and remote control display system Download PDFInfo
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- CN101546059B CN101546059B CN2008100663555A CN200810066355A CN101546059B CN 101546059 B CN101546059 B CN 101546059B CN 2008100663555 A CN2008100663555 A CN 2008100663555A CN 200810066355 A CN200810066355 A CN 200810066355A CN 101546059 B CN101546059 B CN 101546059B
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- bus
- liquid crystal
- detection layer
- infrared detection
- infrared
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Abstract
The invention relates to a liquid crystal display device, an infrared transmitting device and a remote control display system. The liquid crystal display device comprises a color filter substrate comprising an infrared detection layer and a plurality of coloring units; and the infrared detection layer is arranged among the coloring units to receive external infrared rays and position positions the infrared rays irradiate.
Description
Technical field
The present invention relates to a kind of liquid crystal indicator, especially about a kind of infrared remote control formula liquid crystal indicator, a kind of infrared transmitting device and a kind of remote control display system.
Background technology
In recent years,, have the display device, particularly liquid crystal indicator of contact panel, be applied to more and more widely in production and the life with user-friendly for operation, simplicity development.The user can be directly with hand or other object contact liquid crystal device with the input message, thereby reduce even eliminate the dependence of user other input equipments (like keyboard, mouse etc.), user-friendly greatly.
Current; Contact panel generally includes polytypes such as resistor-type, capacitor type, acoustic wave type, infra red type; It is generally the transparent panel form; And the mode that adopts storehouse is arranged on display surface one side of liquid crystal indicator, and is connected in liquid crystal indicator and control device through flexible circuit board etc., realizes touch controllable function.
Yet above-mentioned liquid crystal indicator must can't be realized the Remote function through directly touch controls such as hand or input pen.
Summary of the invention
Can't realize the problem of Remote in order to solve liquid crystal indicator in the prior art, be necessary to provide a kind of liquid crystal indicator with Remote function.
In order to solve the problem that prior art can't realize remote control display system, be necessary to provide a kind of remote control display system with Remote function.
A kind of liquid crystal indicator, it comprises a colored filter substrate, a liquid crystal layer, a thin film transistor base plate.This colored filter substrate is oppositely arranged with this thin film transistor base plate, and this liquid crystal layer is clipped between this colored filter substrate and this thin film transistor base plate.This colored filter substrate comprises a plurality of infrared detection layer and a plurality of coloring units.These a plurality of infrared detection layer are arranged between these a plurality of coloring units in order to receive extraneous infrared ray and to be converted into electric signal; And these a plurality of infrared detection layer comprise first that the edge is transversely arranged and the second portion of longitudinally arranging; This liquid crystal indicator further comprises first bus that links to each other with this first and second bus that links to each other with this second portion; This first bus is arranged on this colored filter substrate with second bus and is connected with an external drive circuit respectively; This first bus and second bus are used for this infrared detection layer signals converted is transferred to this external drive circuit, and then the location is by the position of infrared radiation.
A kind of remote control display system, it comprises that one outwards launches a ultrared infrared transmitting device and a liquid crystal indicator.This liquid crystal indicator comprises that two substrates, are arranged at the liquid crystal layer between two substrates; Wherein a substrate is provided with a plurality of coloring units and a plurality of infrared detection layer that is arranged between these a plurality of coloring units; These a plurality of infrared detection layer are used to receive the infrared ray of this infrared transmitting device emission and be converted into electric signal; Comprise along transversely arranged first and reach the second portion of longitudinally arranging; This liquid crystal indicator further comprises first bus and second bus that links to each other with this second portion that this first links to each other; And this two bus is connected with an external drive circuit respectively, and this first bus and second bus are used for the electric signal that this infrared detection layer is transformed into is transferred to this external drive circuit, and then locatees the position of this infrared radiation.
Compared to prior art; This liquid crystal indicator is provided with an infrared detection layer between coloring units; Realize accurate location remote control through infrared transmitting device emission infrared ray to this liquid crystal indicator, particularly suitable for large scale liquid crystal display device and special occasions as giving a lesson, giving a lecture.
Compared to prior art; This remote control display system has the liquid crystal indicator of an infrared transmitting device and a receiving infrared-ray; Can realize accurate location remote control to this liquid crystal indicator, particularly suitable for large scale liquid crystal display device and special occasions as giving a lesson, giving a lecture.
Description of drawings
Fig. 1 is the cross-sectional view of remote control display system first embodiment of the present invention.
Fig. 2 is the plane perspective structural representation of thin film transistor base plate shown in Figure 1.
Fig. 3 is the plane perspective structural representation of colored filter substrate shown in Figure 1.
Fig. 4 is the cross-sectional view of remote control display system second embodiment of the present invention.
Fig. 5 is the plane perspective structural representation of colored filter substrate among Fig. 4.
Embodiment
See also Fig. 1, it is the cross-sectional view of remote control display system first embodiment of the present invention.This remote control display system 10 comprises a liquid crystal indicator 100 and a light pen 140.The user utilizes this light pen 140 to cooperate this liquid crystal indicator 100 to realize long range positioning and remote control.
This liquid crystal indicator 100 comprises a colored filter substrate 110, a liquid crystal layer 120 and a thin film transistor base plate 130.This colored filter substrate 110 is oppositely arranged with this thin film transistor base plate 130, and this liquid crystal layer 120 is clipped between this colored filter substrate 110 and this thin film transistor base plate 130.
Please consult Fig. 2 in the lump, it is the plane perspective structural representation of thin film transistor base plate 130 shown in Figure 1.This thin film transistor base plate 130 comprises one first glass substrate 131, a plurality of display unit 132, multi-strip scanning line 134, many data lines 133 and a plurality of thin film transistor (TFT) 135.These display unit 132 recurring rules are arranged on this first glass substrate 131.This multi-strip scanning line 134 and many data lines 133 are separately positioned on first glass substrate 131 between this display unit 132, and vertical each other and insulation is intersected.This thin film transistor (TFT) 134 is positioned at this sweep trace 134 and data line 133 intersections.
Please consult Fig. 3 in the lump, it is the plane perspective structural representation of colored filter substrate 110 shown in Figure 1.This colored filter substrate 110 comprises one second glass substrate 111, a plurality of coloring units 112, a black matrix" 113, an infrared detection layer 114, many first buses 115, many second buses 116, many first lead-in wire a and many second lead-in wire b.These a plurality of coloring units 112 are respectively red (R), blue (B), green (G) three kinds of coloring units, and recurring rule is arranged on this second glass substrate 111, and corresponding with the display unit 132 of this thin film transistor base plate 130.This infrared detection layer 114 is arranged on second glass substrate 111 between this coloring units 112; And surrounding a plurality of semiclosed side's ring structures of each coloring units 112 formation, the opening of its semiclosed side's ring structure is corresponding with the thin film transistor (TFT) 135 of this thin film transistor base plate 130.This infrared detection layer 114 is the infrared signals that send in order to this light pen 140 of sensing.
This infrared detection layer 114 is to adopt doping techniques growing P-type district and N type district from top to bottom on these second glass substrate, 211 surfaces, and forms a P-N junction structure (figure does not show) at this p type island region and N type district intersection, thereby forms a space electric field.The main material of this infrared detection layer 114 is semiconductor materials such as GalnAs, GalnAs phosphorus, mercury cadmium telluride, lead salt compound.
This first bus 115 and this second bus 116 are arranged on second glass substrate 111 between this infrared detection layer 114.This first lead-in wire a connects the p type island region end of this infrared detection layer 114 and is electrically connected with this first bus 115; This second lead-in wire b connects N type district's end of this infrared detection layer 114 and is electrically connected with this second bus 116, and this first bus 115 is connected with external drive circuit (figure does not show) respectively with this second bus 116.
This black matrix" 113 covers this infrared detection layer 114, this first bus 115, this second bus 116, the first lead-in wire a and the second lead-in wire b; And with many drive wires 133 corresponding (as shown in Figure 1) of this thin film transistor base plate 130; Its effect is that the light between three kinds of coloring units is passed through in blocking, prevents leakage of light and stops painted material to be mixed.
This light pen 140 comprises that a LED lamp control knob 141, infrared ray control button 142 and a light converge eyeglass 143.This light converges eyeglass 143 and is arranged on this light pen 140 nib light-emitting window places, in order to converge the infrared ray of this infrared transmitter emission, makes the ultrared area of emission be controlled at display unit 132 areas.This LED lamp control knob 141 connects a LED lamp control circuit (figure does not show), in order to control this LED lamp switch of (figure does not show).This infrared ray control button 142 connects an infrared transmitter (figure does not show), in order to the control infrared transmitter switch of (figure does not show).
When using this remote control display system 10, at first press the LED lamp control knob 141 of this light pen 140, the LED lamp sends visible light to point out this light pen 140 indicated position.When arriving the picture button of required control, press this infrared ray control button 142 again with emission infrared ray, the infrared detection layer 114 of this infrared radiation relevant position.
Introduce a plane Cartesian coordinates, it comprises orthogonal X axle and Y axle.Then these first bus, 115 edges direction setting parallel with the Y axle, the direction setting that these second bus, 116 edges are parallel with the X axle.Then the coordinate of this first bus 115 is made as X
1～X
n, the coordinate of this second bus 116 is made as Y
1～Y
n
The p type island region of this infrared detection layer 114 and N type district receive infrared radiation and produce photo-generated carrier, because the effect of space electric field and then between this p type island region and N type district, produce the voltage that outwards can survey.At this moment, first bus, 115 corresponding voltage value that connect this infrared detection layer 114P type district through this first lead-in wire a rise, and wherein the coordinate of this first bus 115 is X
i(1≤i≤n); Connect second bus, the 116 corresponding voltage value decline in this infrared detection layer 114N type district simultaneously via this second lead-in wire b, wherein the coordinate of this second bus 116 is Y
j(1≤j≤n).Thereby confirm the coordinate (X of this first bus 115 and this second bus 116 by this first bus 115 and the variation of these second bus, 116 magnitudes of voltage
i, Y
j), and then the coordinate of the picture button of definite this required control.This first bus 115 transfers signals to external drive circuit (figure does not show) respectively with this second bus 116; Thereby realize by this light pen 140 emission infrared rays; These infrared detection layer 114 receiving infrared-ray light signals also are converted into electric signal, and then select and control the picture of this LCD.
Compared to prior art; Above-mentioned remote control display system 10 is provided with an infrared detection layer 114 112 of coloring units; Launch infrared rays through a light pen 140 and realize long-range accurately location and remote controls of display unit 132 this liquid crystal indicator 100, particularly suitable for large scale liquid crystal display device and special occasions as giving a lesson, giving a lecture.In addition, this liquid crystal indicator 100 does not need extra contact panel, and its thickness is little in light weight, helps the lightening development of liquid crystal indicator.Simultaneously, because avoid the use of contact panel and bind glue, reduce phenomenons such as light absorption, refraction, reflection, its light loss is few, and transmittance is high.
Please consult Fig. 4 and Fig. 5 in the lump, Fig. 4 is the cross-sectional view of remote control display system second embodiment of the present invention, and Fig. 5 is the plane perspective structural representation of colored filter substrate 210 shown in Figure 4.This remote control display system 20 is this colored filter 210 with the difference of this remote control display system 10.This colored filter substrate 210 comprises one second glass substrate 211, a plurality of coloring units 212, one first infrared detection layer 214a, one second infrared detection layer 214b, many first buses 215, many second buses 216, many articles the 3rd buses 217 and many articles the 4th buses 218.This coloring units 212 is respectively red (R), blue (B), green (G) three kinds of coloring units, and recurring rule is arranged on this second glass substrate 211.This first infrared detection layer 214a forms a plurality of strips at second glass substrate 211 that Y covers between this coloring units 212, and this second infrared detection layer 214b forms a plurality of strips at second glass substrate 211 that X covers between this coloring units 212.This first infrared detection layer 214a and this second infrared detection layer 214b are provided with an insulation course (figure does not show) and make its mutually insulated at the overlapping place.
End at the first infrared detection layer 214a of this colored filter substrate 210 peripheral adjacent two edges is drawn one first bus 215 and one second bus 216, draws one the 3rd bus 217 and one the 4th bus 218 at the end of this second infrared infrared detection layer 214b.Wherein this first bus 215, the 3rd bus 217 are electrically connected with the p type island region of this first infrared detection layer 214a, the second infrared detection layer 214b respectively, and this second bus 216, the 4th bus 218 are electrically connected with the N type district of this first infrared detection layer 214a, the second infrared detection layer 214b respectively.This first bus 215, second bus 216, the 3rd bus 217 are connected with external drive circuit (figure does not show) respectively with the 4th bus 218.This black matrix" 213 covers this first infrared detection layer 214a and this second infrared detection layer 214b.
When using this remote control display system 20, the LED lamp control knob 241 of at first pressing light pen 240 is to point out this light pen 240 indicated position.When arriving the picture button of required control, press this infrared ray control button 242 again with emission infrared ray, this infrared radiation respective picture button.
Introduce a plane Cartesian coordinates, comprise orthogonal X axle and Y axle.It is axial that this first infrared detection layer 214a is parallel to Y, and its coordinate is made as X
1～X
nThis second infrared detection layer 214b is parallel to X axis, and its coordinate is made as Y
1～Y
nBe X then by the corresponding coordinate of the respective picture button of infrared radiation
i(the first infrared detection layer 214a and the coordinate of 1≤i≤n) are Y
j(the second infrared detection layer 214b of 1≤j≤n).This first infrared detection layer 214a, the second infrared detection layer 214b are because photovoltaic effect produces a voltage.At this moment; Connect between first bus 215 and second bus 216, the 3rd bus 217 that connects this second infrared detection layer 214b and the 4th bus 218 of this first infrared detection layer 214a and will produce a voltage difference, and then this pressure difference signal is transferred to external drive circuit (figure does not show).Pressure difference signal through this X axis and the axial pressure difference signal of this Y can be confirmed the coordinate (X of this demonstration control zone 217
i, Y
j), realize to select and control the picture of this liquid crystal display again via external drive circuit.
In this second embodiment; This first infrared detection layer 214a and this second infrared detection layer 214b are set directly between this second glass substrate 211 and this black matrix" 213, and this first bus 215, this second bus 216, the 3rd bus 217 and the 4th bus 218 are separately positioned on adjacent two edges of these colored filter substrate 210 peripheries.
Remote control display system of the present invention also can have the numerous variations design; Like: the infrared transmitter of this light pen 140 LED lamp of also connecting together; Launch a visible light simultaneously to indicate the position of this infrared radiation with this infrared transmitting device, wherein 114 light that absorb this infrared ray wave band of this infrared detection layer.The area that the infrared ray of these light pen 140 emissions converges after eyeglass 143 converges through this light can be greater than a display unit 132; Then have at least two place's infrared detection layer 114 illuminated and produce electric signal, can realize selecting and controlling this picture button this moment through external drive circuit adjustment back.
Claims (7)
1. liquid crystal indicator; It comprises: a colored filter substrate; It is characterized in that: this colored filter substrate comprises a plurality of infrared detection layer and a plurality of coloring units; These a plurality of infrared detection layer are arranged on and are used between these a plurality of coloring units receiving extraneous infrared ray and being converted into electric signal; And these a plurality of infrared detection layer comprise first that the edge is transversely arranged and the second portion of longitudinally arranging, and this liquid crystal indicator further comprises first bus that links to each other with this first and second bus that links to each other with this second portion, and this first bus is arranged on this colored filter substrate with second bus and is connected with an external drive circuit respectively; This first bus and second bus are used for this infrared detection layer signals converted is transferred to this external drive circuit, and then locate the position of this infrared radiation.
2. liquid crystal indicator as claimed in claim 1; It is characterized in that: this colored filter substrate further comprises a glass substrate and a black matrix"; These a plurality of infrared detection layer are arranged on this glass substrate, and this black matrix" covers these a plurality of infrared detection layer.
3. liquid crystal indicator as claimed in claim 2 is characterized in that: each infrared detection layer is arranged on each coloring units edge and forms semiclosed side's ring structure.
4. liquid crystal indicator as claimed in claim 3; It is characterized in that: this first bus is horizontally installed on the glass substrate between the first of these a plurality of infrared detection layer, and this second bus vertically is arranged on the glass substrate between the second portion of these a plurality of infrared detection layer.
5. liquid crystal indicator as claimed in claim 2 is characterized in that: this each infrared detection layer is a strip structure, and the first of these a plurality of infrared detection layer and second portion intersect and be latticed arrangement.
6. liquid crystal indicator as claimed in claim 5 is characterized in that: this first bus is arranged on peripheral adjacent two edges of this colored filter substrate with this second bus.
7. remote control display system; It comprises that one outwards launches a ultrared infrared transmitting device and a liquid crystal indicator; This liquid crystal indicator comprises that two substrates and are arranged at the liquid crystal layer between two substrates; Wherein a substrate is provided with a plurality of coloring units; It is characterized in that: this liquid crystal indicator comprises that a plurality of infrared detection layer that are arranged between these a plurality of coloring units are used to receive the infrared ray of this infrared transmitting device emission and be converted into electric signal; These a plurality of infrared detection layer comprise first that the edge is transversely arranged and the second portion of longitudinally arranging, and this liquid crystal indicator further comprises first bus that links to each other with this first and second bus that links to each other with this second portion, and this two bus is connected with an external drive circuit respectively; This first bus and second bus are used for the electric signal that this infrared detection layer is transformed into is transferred to this external drive circuit, and then locate the position of this infrared radiation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100663555A CN101546059B (en) | 2008-03-28 | 2008-03-28 | Liquid crystal display device, infrared transmitting device and remote control display system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100663555A CN101546059B (en) | 2008-03-28 | 2008-03-28 | Liquid crystal display device, infrared transmitting device and remote control display system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101546059A CN101546059A (en) | 2009-09-30 |
| CN101546059B true CN101546059B (en) | 2012-11-28 |
Family
ID=41193275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100663555A Expired - Fee Related CN101546059B (en) | 2008-03-28 | 2008-03-28 | Liquid crystal display device, infrared transmitting device and remote control display system |
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| Country | Link |
|---|---|
| CN (1) | CN101546059B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103716672B (en) * | 2013-12-19 | 2016-06-08 | 京东方科技集团股份有限公司 | A kind of remote controller, display device and remote control display system |
| CN106231385B (en) * | 2016-07-21 | 2019-08-23 | 京东方科技集团股份有限公司 | Display device and display system |
| CN108922917B (en) * | 2018-09-04 | 2022-12-09 | 京东方科技集团股份有限公司 | Color film substrate, OLED display panel and display device |
| CN113946238A (en) * | 2021-10-15 | 2022-01-18 | 北京京东方技术开发有限公司 | Display and method for operating display by using infrared rays |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2745078Y (en) * | 2004-09-28 | 2005-12-07 | 陈力 | Infrared laser remote control pen and receiver thereof |
| CN101010662A (en) * | 2004-08-24 | 2007-08-01 | 接触板系统股份有限公司 | Touch panel |
-
2008
- 2008-03-28 CN CN2008100663555A patent/CN101546059B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101010662A (en) * | 2004-08-24 | 2007-08-01 | 接触板系统股份有限公司 | Touch panel |
| CN2745078Y (en) * | 2004-09-28 | 2005-12-07 | 陈力 | Infrared laser remote control pen and receiver thereof |
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| Publication number | Publication date |
|---|---|
| CN101546059A (en) | 2009-09-30 |
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| CB02 | Change of applicant information |
Address after: 518109 Longhua, Shenzhen, town, Foxconn science and Technology Industrial Park E District, building 1, floor 4, Applicant after: Qunkang Technology (Shenzhen) Co., Ltd. Co-applicant after: Chimei Optoelectronics Co., Ltd. Address before: 518109 Longhua, Shenzhen, town, Foxconn science and Technology Industrial Park E District, building 1, floor 4, Applicant before: Qunkang Technology (Shenzhen) Co., Ltd. Co-applicant before: Innolux Display Group |
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Granted publication date: 20121128 Termination date: 20210328 |