CN102915708A - Display with sensing function and operation method thereof - Google Patents
Display with sensing function and operation method thereof Download PDFInfo
- Publication number
- CN102915708A CN102915708A CN2012103844277A CN201210384427A CN102915708A CN 102915708 A CN102915708 A CN 102915708A CN 2012103844277 A CN2012103844277 A CN 2012103844277A CN 201210384427 A CN201210384427 A CN 201210384427A CN 102915708 A CN102915708 A CN 102915708A
- Authority
- CN
- China
- Prior art keywords
- sweep signal
- sweep
- pixel
- display
- sub
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 19
- 239000003990 capacitor Substances 0.000 claims description 50
- 239000000758 substrate Substances 0.000 claims description 35
- 230000001939 inductive effect Effects 0.000 claims description 27
- 239000003086 colorant Substances 0.000 claims description 9
- 239000004973 liquid crystal related substance Substances 0.000 claims description 6
- 230000006870 function Effects 0.000 description 17
- 230000000694 effects Effects 0.000 description 4
- 238000007600 charging Methods 0.000 description 3
- 206010070834 Sensitisation Diseases 0.000 description 2
- 238000003491 array Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000008313 sensitization Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000004446 light reflex Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 108091008695 photoreceptors Proteins 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Images
Abstract
The invention provides a display with a sensing function and an operation method thereof. The pixel array is connected with the scanning line and the data line, the pixel array comprises a display pixel array and a light sensing device, and the light sensing device is positioned on one side of the display pixel array. The scanning circuit is used for providing first and second scanning signals with different voltage levels to the display pixel array through a plurality of scanning lines to control the display pixel array and providing the first and second scanning signals to the light sensing device.
Description
Technical field
The present invention relates to a kind of display, particularly relate to a kind of display and method of operating thereof with inducing function.
Background technology
The circuit that photoinduction circuit is served as reasons and caused its electric current that the characteristic change of voltage (I-V) is designed for the intensity of different sensitization by photistor itself.Generally speaking, its circuit comprised reservior capacitor, tool sensitization function photistor, be used for reading the transistor of reading of photoreceptor signal.When the photistor irradiation, its leakage current can increase, and electric charge self-capacitance device flows out, and reads the electric charge that it spills after transistor is opened reading, judge whether sensedly according to the number of electric charge, this kind uses the pattern of light pen to be called " light pen pattern (light pen mode) " by needs.If adjust grid or the source class voltage (Vgs) of photistor, the Vgs that can obtain light reflex the best sets.Otherwise photistor is under general bias light, if we cover photistor with finger or other object, its leakage current can reduce, and also can reach whereby the function of photoinduction, and we are called " shadow mode (shadow mode) " this kind pattern.
Yet, if photoinduction circuit is integrated in the display, because optical sensor and the other signal wire that increases again need to occupy some spaces, can reduce at aperture opening ratio.And when this circuit application more and more less in the size of panel, its space ratio of occupying is just more and more higher, so that the integral finish rate is lower again, causes the panel picture can be darker, or causes the more loss of multi-energy.
This shows how to improve whole pixel aperture ratio, belong to one of current research and development problem.
Summary of the invention
The invention provides a kind of display and method of operating thereof with inducing function, to improve whole pixel aperture ratio.
A mode of the present invention provides a kind of display with inducing function to comprise multi-strip scanning line, many data lines, pel array and sweep circuits.Many data lines and those sweep traces are interconnected.Pel array connects multi-strip scanning line and data line, and pel array comprises array of display pixels and Photoinduction device, and Photoinduction device is positioned at a side of array of display pixels.Sweep circuit in order to first, second sweep signal that different voltage levels are provided by the multi-strip scanning line to array of display pixels with the control display pel array, and in order to provide first, second sweep signal to Photoinduction device.
According to one embodiment of the invention, array of display pixels comprises the first display pixel and the second display pixel.The first display pixel is in order to receive the first sweep signal and one the 3rd sweep signal, to upgrade according to the first sweep signal and the 3rd sweep signal; The second display pixel is in order to receive the second sweep signal and the 4th sweep signal, to upgrade according to the second sweep signal and the 4th sweep signal.
According to one embodiment of the invention, the relative low-voltage position of first, second sweep signal is accurate different, or the relative high voltage level of first, second sweep signal is different.
According to one embodiment of the invention, the relative high voltage level of first, second sweep signal is different, and the relative low-voltage position of first, second sweep signal is accurate different.
According to one embodiment of the invention, the time scale of the relative high-low voltage position standard of first, second sweep signal is different.
According to one embodiment of the invention, many data line comprises first, second data line, the multi-strip scanning line comprises first, second, third, fourth sweep trace, the first sweep trace is in order to transmit the first sweep signal, the second sweep trace is in order to transmit the second sweep signal, three scan line is in order to transmit the 3rd sweep signal, the 4th sweep trace is in order to transmit the 4th sweep signal, wherein the first sweep signal has identical position standard with the 4th sweep signal, and the second sweep signal has identical position standard with the 3rd sweep signal; The first display pixel comprises first to fourth sub-pixel, first to fourth sub-pixel has different colors, the first sub-pixel is connected the first sweep trace and connects separately first, second data line with the second sub-pixel, the 3rd sub-pixel is connected three scan line and connects separately first, second data line with the 4th sub-pixel; The second display pixel comprises the 5th to the 8th sub-pixel, the the 5th to the 8th sub-pixel has corresponding color with first to fourth sub-pixel respectively, the 5th sub-pixel is connected the 4th sweep trace and connects separately first, second data line with the 6th sub-pixel, the 7th sub-pixel is connected the second sweep trace and connects separately first, second data line with the 8th sub-pixel.
According to one embodiment of the invention, Photoinduction device comprises reads transistor, reservior capacitor and photistor.Read transistor and have a first end, one second end and a control end, wherein first end connects a sense wire, and control end connects the first sweep trace.Reservior capacitor connects reads transistorized the second end.Photistor has first end, the second end and control end, and wherein transistorized the second end is read in the connection of the first end of photistor, and the second end of photistor connects the second sweep trace, and the control end of photistor connects the 4th sweep trace.
According to one embodiment of the invention, array of display pixels comprises the one first to the 3rd sub-pixel, and sweep circuit provides one the 3rd sweep signal to array of display pixels by the multi-strip scanning line, and Photoinduction device is controlled by first, second, third sweep signal.
According to one embodiment of the invention, the relative low-voltage position standard of first, second, third sweep signal is incomplete same, or the relative high voltage level of first, second, third sweep signal is incomplete same.
According to one embodiment of the invention, the relative low-voltage position standard of first, second, third sweep signal is incomplete same, and the relative high voltage level of first, second, third sweep signal is incomplete same.
According to one embodiment of the invention, the time scale of the relative high-low voltage position standard of first, second, third sweep signal is incomplete same.
According to one embodiment of the invention, the multi-strip scanning line comprises one first, second, third sweep trace, the first to the 3rd sub-pixel is electric property coupling first, second, third sweep trace respectively, the first display pixel comprises the first sub-pixel of three different colours, many the first sub-pixel all connects the same one in many data lines and connects respectively first, second, third sweep trace, and first, second, third sweep trace transmits respectively first, second, third sweep signal.Photoinduction device comprises reads transistor, reservior capacitor and at least one photistor.Read transistor and have first end, the second end and control end, wherein first end connects a sense wire, and control end connects the first sweep trace.Reservior capacitor connects reads transistorized the second end.Photistor has first end, the second end and control end, and wherein transistorized the second end is read in the connection of the first end of photistor, and the second end of photistor connects the second sweep trace, and the control end of photistor connects three scan line.
According to one embodiment of the invention, array of display pixels comprises a display pixel, in order to receive the first sweep signal, the second sweep signal, the 3rd sweep signal and the 4th sweep signal, upgrading according to the first sweep signal, the second sweep signal, the 3rd sweep signal and the 4th sweep signal, and Photoinduction device is controlled by the first sweep signal, the second sweep signal and the 4th sweep signal.The aforementioned data line comprises the first data line, aforementioned sweep trace comprises that the first sweep trace, the second sweep trace, three scan line and the 4th sweep trace are respectively in order to transmit the first sweep signal, the second sweep signal, the 3rd sweep signal and the 4th sweep signal, wherein the first sweep signal has identical position standard with the 4th sweep signal, and the second sweep signal has identical position standard with the 3rd sweep signal.Display pixel comprises respectively the first sub-pixel, the second sub-pixel, the 3rd sub-pixel and the 4th sub-pixel in order to show different colours, common first data line that connects of the first sub-pixel, the second sub-pixel, the 3rd sub-pixel and the 4th sub-pixel, the first sub-pixel connects the first sweep trace, the second sub-pixel connects three scan line, the 3rd sub-pixel connects the 4th sweep trace, and the 4th sub-pixel connects the second sweep trace.
According to one embodiment of the invention, the first sweep signal is accurate from the relative low-voltage position of the second sweep signal or high voltage level is different relatively, and the 3rd sweep signal is accurate from the relative low-voltage position of the 4th sweep signal or high voltage level is different relatively.
According to one embodiment of the invention, the first sweep signal is different from the time scale of the relative high-low voltage position standard of the second sweep signal, and the 3rd sweep signal is different from the time scale of the relative high-low voltage position standard of the 4th sweep signal.According to one embodiment of the invention, Photoinduction device comprises reads transistor, reservior capacitor and photistor.Read transistor and have first end, the second end and control end, wherein first end connects sense wire, and control end connects the first sweep trace.Reservior capacitor connects reads transistorized the second end.Photistor has first end, the second end and control end, and wherein transistorized the second end is read in the connection of the first end of photistor, and the second end of photistor connects the second sweep trace, and the control end of photistor connects the 4th sweep trace.
According to one embodiment of the invention, display also comprises first substrate, second substrate, liquid crystal layer and reflection horizon.Second substrate and first substrate are oppositely arranged.Liquid crystal layer is arranged between first substrate and the second substrate.The reflection horizon covers display pixel, and covers and read transistor and reservior capacitor in the Photoinduction device.
Another way of the present invention provides a kind of method of operating with display of inducing function, wherein display comprises multi-strip scanning line, many data lines, one first display pixel, one second display pixel and Photoinduction devices, and method of operating comprises the following step: provide first, second sweep signal of different voltage levels to upgrade to control first, second display pixel to first, second display pixel respectively by the multi-strip scanning line; Provide first, second sweep signal to Photoinduction device with control Photoinduction device; Read the sensing value of Photoinduction device.
According to one embodiment of the invention, provide first, second sweep signal to Photoinduction device with control Photoinduction device step also comprise: provide the first sweep signal to Photoinduction device so that the Voltage-output of a storage capacitors of Photoinduction device to a sense wire that is contained in Photoinduction device; Provide the second sweep signal and one the 3rd sweep signal to Photoinduction device, so that the current potential of the storage capacitors of Photoinduction device inside is reset.
According to one embodiment of the invention, the relative low-voltage position of second, third sweep signal is accurate or high voltage level is different relatively.
According to one embodiment of the invention, the time scale of the relative high-low voltage position standard of second, third sweep signal is different.
In sum, technical scheme of the present invention compared with prior art has obvious advantage and beneficial effect.By technique scheme, can reach suitable technical progress, and have the extensive value on the industry, it has following advantages at least: the sweep trace of array of display pixels and Photoinduction device is merged, to improve pixel aperture ratio.
Below will be explained in detail above-mentioned explanation with embodiment, and provide further explanation to technical scheme of the present invention.
Description of drawings
Fig. 1 is a kind of according to an embodiment of the invention synoptic diagram with display of inducing function;
Fig. 2 is according to the framework of the shown a kind of pel array of one embodiment of the invention and function mode thereof;
Fig. 3 is according to the framework of the shown a kind of pel array of another embodiment of the present invention and function mode thereof;
Fig. 4 is according to the framework of the shown a kind of pel array of further embodiment of this invention and function mode thereof;
Fig. 5 illustrates the cross-sectional view of array of display pixels and Photoinduction device in the prior art illustratively;
Fig. 6 illustrates the cross-sectional view of array of display pixels and Photoinduction device in the embodiment of the invention illustratively.
Reference numeral
10: display 110: first substrate
120: second substrate 130: liquid crystal layer
200,210,220,230,240: data line
300,311～315,321～323,331～334: sweep trace
400: pel array 401: array of display pixels
402: Photoinduction device 403: sense wire
411,412,431: display pixel 421: read transistor
422: reservior capacitor 423: photistor
500: sweep circuit 600,610,620: reflection horizon
701～708,801～803,901～904: sub-pixel
Embodiment
In order to make narration of the present invention more detailed and complete, can be with reference to appended accompanying drawing and the various embodiment of the following stated, identical mark represents same or analogous element in the accompanying drawing.On the other hand, well-known element and step are not described among the embodiment, to avoid that the present invention is caused unnecessary restriction.
In embodiment and claims, unless be particularly limited to some extent for article in the instructions, " one " can make a general reference single or multiple with " being somebody's turn to do ".
" pact " used herein, " approximately " or " roughly " but in order to modifying the quantity of any slight variations, but this slight variations can't change its essence.Unless otherwise noted, the error range that then represents the numerical value of being modified with " pact ", " approximately " or " roughly " generally is to allow in 20 percent, is preferably in ten Percent, more preferably then is in 5 percent in embodiment.
Technical approach of the present invention is a kind of display with inducing function, and it can be applicable to reflective LCD device, or is used in widely relevant sport technique segment.Display that it should be noted that the present technique mode can improve whole pixel aperture ratio.Fig. 1～the Fig. 3 that below will arrange in pairs or groups illustrates the embodiment of this display.
Fig. 1 is a kind of according to an embodiment of the invention synoptic diagram with display 10 of inducing function.As shown in Figure 1, display 10 comprises first substrate 110, second substrate 120, liquid crystal layer 130, many data lines 200, multi-strip scanning line 300 and pel arrays 400.Second substrate 120 is oppositely arranged with first substrate 110, liquid crystal layer 130 is arranged between first substrate 110 and the second substrate 120, multi-strip scanning line 300 is arranged on the first substrate 110, many data line 200 is arranged on the first substrate 110, and aforementioned data line 200 and aforementioned sweep trace 300 are interconnected.Pel array 400 connects multi-strip scanning line 300 and data line 200, is formed between first substrate 110 and the second substrate 120.
First substrate 110 can for example be thin-film transistor array base-plate, and second substrate can for example be colored optical filtering substrates.About the concrete structure of second substrate 120, for instance, second substrate 120 can comprise substrate, upper Polarizer, colored filter and common electrode.On the other hand, about the pel array 400 on the first substrate 110, below will the concrete structure of various pel arrays 400 be described with a plurality of embodiment different accompanying drawings of arranging in pairs or groups.
Fig. 2 is according to the framework of the shown a kind of pel array of one embodiment of the invention and function mode thereof.In Fig. 2, pel array comprises array of display pixels 401 and Photoinduction device 402, and array of display pixels 401 is formed between as shown in Figure 1 the first substrate 110 and second substrate 120, and Photoinduction device 402 is positioned at a side of array of display pixels 401.Sweep circuit 500 in order to provide by multi-strip scanning line (as: sweep trace 311～315) have different voltage levels sweep signal to array of display pixels 401 with control display pel array 401, and in order to provide sweep signal to Photoinduction device 402.
For example, as shown in Figure 2, sweep circuit 500 provides sweep signal G by sweep trace 311,313
n, G
N+2With control display pel array 401, and also provide sweep signal S by sweep trace 312,314
N+1, S
N+3With control display pel array 401, sweep signal G wherein
n, G
N+2Voltage level and sweep signal S
N+1, S
N+3Voltage level different.In addition, sweep circuit 500 also provides sweep signal G by sweep trace 311,313,314
n, G
N+2, S
N+3Give Photoinduction device 402, so that Photoinduction device 402 can be according to sweep signal G
n, G
N+2, S
N+3Operate, borrow and itself produce induced signal for the induction of different light intensity degree, and follow-up circuit can judge that whether touched the corresponding region is according to the induced signal that produces.
In the present embodiment, as shown in Figure 2, array of display pixels 401 can comprise the first display pixel 411 and the second display pixel 412.The first display pixel 411 is in order to receive sweep signal Gn and sweep signal S
N+1, with according to sweep signal G
nAnd sweep signal S
N+1And upgrade; The second display pixel 412 is in order to receive sweep signal G
N+2And sweep signal S
N+3, with according to sweep signal G
N+2And sweep signal S
N+3And upgrade.Aforementioned sweep signal G
n, G
N+2All have a high voltage level Vgh and the accurate Vgl in a low-voltage position, but sweep signal G
n, G
N+2Duration of work different, and sweep signal S
N+1, S
N+3All have a high voltage level Vsh and the accurate Vsl in a low-voltage position, but sweep signal S
N+1, S
N+3Duration of work different.
In one embodiment, sweep signal G
nAnd/or G
N+2The accurate Vgl in low-voltage position with respect to sweep signal S
N+1And/or S
N+3The accurate Vsl in low-voltage position different, perhaps sweep signal G
nAnd/or G
N+2High voltage level Vgh with respect to sweep signal S
N+1And/or S
N+3High voltage level Vsh different.In another embodiment, sweep signal G
nAnd/or G
N+2The accurate Vgl in low-voltage position with respect to sweep signal S
N+1And/or S
N+3The accurate Vsl in low-voltage position different, and sweep signal G
nAnd/or G
N+2High voltage level Vgh with respect to sweep signal S
N+1And/or S
N+3High voltage level Vsh not identical yet.For instance, the accurate Vgl in low-voltage position can be-10V, and the accurate Vsl in low-voltage position can be-5V.Yet aforementioned is not to limit the present invention, namely only needs high voltage level or different the getting final product of low-voltage position standard of sweep signal G and sweep signal S in operation yet.
In addition, sweep signal G
nAnd/or G
N+2The time scale of high-low voltage position standard can be with respect to sweep signal S
N+1And/or S
N+3The time scale of high-low voltage position standard different.Particularly, as shown in Figure 2, sweep signal G
nHigh voltage level Vgh during from t1 to t2, sweep signal S
N+1High voltage level Vsh during from t1 to t3, sweep signal G
N+2High voltage level Vgh during from t3 to t4, sweep signal S
N+3High voltage level Vsh during from t3 to t5, by that analogy.Every adjacent both spacing among aforementioned time t1, t2, t3, t4 and the t5, can be designed to according to actual demand identical or different, but not as limit.
In the present embodiment, as shown in Figure 2, display can comprise data line 210,220 and sweep trace 311～315, and wherein sweep trace 311～314 is respectively in order to transmission scan signal G
n, S
N+1, G
N+2, S
N+3Secondly, the first display pixel 411 comprises sub-pixel 701～704, and sub-pixel 701～704 has respectively different colors, for example: red (R), green (G), blue (B), white (W).Sub-pixel 701,702 connects sweep traces 311 and connection data line 210,220 separately, and sub-pixel 703,704 connects sweep traces 312 and connection data line 210,220 separately.In addition, the second display pixel 412 comprises sub-pixel 705～708, and sub-pixel 705～708 has respectively different colors, for example: red (R), green (G), blue (B), white (W).Sub-pixel 705,706 connects sweep traces 313 and connection data line 210,220 separately, and sub-pixel 707,708 connects sweep traces 314 and connection data line 210,220 separately.
It should be noted that the sub-pixel of aforementioned same color all is to receive to have the sweep signal of identical voltage level, for example sub-pixel 701,705 is red sub-pixel, and both sweep signal G of receiving separately
n, G
N+2Has identical voltage level.Thus, can avoid the shown color of sub-pixel of same color that the situation of notable difference is arranged, also can reduce the flicker situation that the signal difference causes simultaneously.
Moreover Photoinduction device 402 can comprise reads transistor 421, reservior capacitor 422 and photistor 423.Read transistor 421 and have first end, the second end and control end, the first end of wherein reading transistor 421 connects sense wire 403, and the control end of reading transistor 421 connects sweep trace 311.One end of reservior capacitor 422 connects the second end of reading transistor 421, and its other end connects predetermined voltage DC.Photistor 423 has first end, the second end and control end, wherein the first end of photistor 423 connects the second end of reading transistor 421, the second end of photistor 423 connects sweep trace 314, and the control end of photistor 423 connects sweep trace 313.
In the operation, in time t1, sweep signal G
n, S
N+1Transition is in high voltage level, thereby upgrade sub-pixel 701～704, and conducting reads transistor 421, so that storage capacitors 422 stored voltages (can make a general reference the sensing signal that photistor 423 produces) export sense wire 403 to by reading transistor 421.Then, in time t2, sweep signal S
N+1Still remain in high voltage level, thereby further upgrade sub-pixel 703,704, so that sub-pixel 703,704 shows corresponding different pixels data.
Then, in time t3, sweep signal G
N+2, S
N+3Transition is in high voltage level, thus renewal sub-pixel 705～708, and conducting photistor 423, so that sweep signal S
N+3By 422 chargings of 423 pairs of storage capacitors of photistor, whereby storage capacitors 422 is reset, and read transistor 421 when next conducting, storage capacitors 422 stored voltages can export sense wire 403 to by reading transistor 421 again, finish the operation of reading sensing signal.Then, in time t4, sweep signal S
N+3Still remain in high voltage level, thereby further upgrade sub-pixel 707,708, so that sub-pixel 707,708 shows corresponding different pixels data.
In the prior art, mainly utilize the different scanning line to come control display pel array 401 and Photoinduction device 402, so that array of display pixels 401 and Photoinduction device 402 operate according to each self-corresponding sweep signal.Yet, compared to existing technologies, be (as: to provide sweep signal S by same sweep trace in above-described embodiment
N+3Sweep trace) sweep signal is provided, and high-low voltage position standard and the pulse bandwidth thereof of this same sweep trace sweep signal of corresponding adjustment, for Photoinduction device 402 and array of display pixels 401 operations (for example: sweep signal S
N+3Storage capacitors 422 is reset and upgraded sub-pixel 707,708).Thus, just can in each display pixel, reduce the configuration space of a sweep trace, correspondingly increase whereby the aperture opening ratio of display pixel, improve the brightness of integral panels.In one embodiment, adopt above-mentioned control mode, can make aperture opening ratio be increased to 52.25% from 40.2%.
On the other hand, as shown in Figure 2, display also can comprise reflection horizon 600, and reflection horizon 600 covers above-mentioned display pixel 411,412, and transistor 421 and reservior capacitor 422 are read in covering.In the panel of general penetration, owing to light is provided by backlight, so light can only penetrate pixel region, pixel region is effectively shown, but for the light-sensitive area (for example: Photoinduction device 402 regions), wherein do not dispose pixel electrode, the ability of demonstration can't be provided.On the contrary, in reflective panel, reflection horizon 600 can be used as pixel electrode, the overall brightness of panel becomes positive correlation with the area in reflection horizon 600, but so light-sensitive area (particularly reading transistor 421 and reservior capacitor 422 regions) of 600 cover parts, reflection horizon, so that the light-sensitive area of part still can reflection ray, so have the effect that improves aperture opening ratio.In an embodiment, with reflective panel, if reflection horizon 600 is covered in the light-sensitive area of reading transistor 421 and reservior capacitor 422 places, but then because of this light-sensitive area still reflection ray, so panel that can't reflection ray compared to the light-sensitive area, its aperture opening ratio can be increased to 59.34% from 52.25%.
Fig. 3 is according to the framework of the shown a kind of pel array of another embodiment of the present invention and function mode thereof.As shown in Figure 3, array of display pixels 401 comprises sub-pixel 801,802,803, and sub-pixel 801,802,803 has respectively different colors, for example is respectively red (R), green (G), blue (B).Sweep circuit 500 provides respectively sweep signal G by sweep trace 321～323
n, G
N+1, S
N+2Give the sub-pixel 801～803 in the array of display pixels 401, and Photoinduction device 402 is by sweep signal G
n, G
N+1, S
N+2Control.
In one embodiment, sweep signal G
n, G
N+1, S
N+2Relative low-voltage position standard incomplete same, or sweep signal G
n, G
N+1, S
N+2Relative high voltage level incomplete same.For example: sweep signal G
nAnd/or G
N+1The accurate Vgl in low-voltage position with respect to sweep signal S
N+2The accurate Vsl in low-voltage position different, perhaps sweep signal G
nAnd/or G
N+1High voltage level Vgh with respect to sweep signal S
N+2High voltage level Vsh different.
In another embodiment, sweep signal G
n, G
N+1, S
N+2Relative low-voltage position standard incomplete same, and sweep signal G
n, G
N+1, S
N+2Relative high voltage level incomplete same.For example: sweep signal G
nAnd/or G
N+1The accurate Vgl in low-voltage position with respect to sweep signal S
N+2The accurate Vsl in low-voltage position different, and sweep signal G
nAnd/or G
N+1High voltage level Vgh with respect to sweep signal S
N+2High voltage level Vsh not identical yet.
In addition, sweep signal G
nAnd/or G
N+1The time scale of high-low voltage position standard can be with respect to sweep signal S
N+2The time scale of high-low voltage position standard different, it is similar above-mentioned, so repeat no more in this.
In the present embodiment, as shown in Figure 3, display can comprise data line 230 and sweep trace 321～323, and wherein sweep trace 321～323 is respectively in order to transmission scan signal G
n, G
N+1, S
N+2, sub-pixel 801～803 equal connection data lines 230 and connect respectively sweep trace 321～323.
Next, Photoinduction device 402 can comprise reads transistor 421, reservior capacitor 422 and photistor 423.The first end of reading transistor 421 connects sense wire 403, and the control end of reading transistor 421 connects sweep trace 321.One end of reservior capacitor 422 connects the second end of reading transistor 421, and its other end connects predetermined voltage DC.The first end of photistor connects the second end of reading transistor 421, and the second end of photistor 423 connects sweep trace 323, and the control end of photistor 423 connects sweep trace 322.
In the operation, in time t1, sweep signal G
nTransition is in high voltage level, thereby upgrades sub-pixel 801, and conducting reads transistor 421, so that storage capacitors 422 stored voltages (can make a general reference the sensing signal that photistor 423 produces) export sense wire 403 to by reading transistor 421.
Then, in time t2, sweep signal G
N+1, S
N+2Transition is in high voltage level, thus renewal sub-pixel 802,803, and conducting photistor 423, so that sweep signal S
N+2By 422 chargings of 423 pairs of storage capacitors of photistor, whereby storage capacitors 422 is reset, and read transistor 421 when next conducting, storage capacitors 422 stored voltages can export sense wire 403 to by reading transistor 421 again, finish the operation of reading sensing signal.
Then, in time t3, sweep signal S
N+2Still remain in high voltage level, thereby further upgrade sub-pixel 803, so that sub-pixel 803 shows corresponding different pixels data.
Similar above-mentioned, (as: provide sweep signal S by same sweep trace
N+2Sweep trace) sweep signal is provided, for Photoinduction device 402 and array of display pixels 401 operations (for example: sweep signal S
N+2Storage capacitors 422 is reset and is upgraded sub-pixel 803), just can in each display pixel, reduce the configuration space of a sweep trace, correspondingly increase whereby the aperture opening ratio of display pixel.
On the other hand, as shown in Figure 3, display more can comprise reflection horizon 610, and reflection horizon 610 covers above-mentioned array of display pixels 401, and transistor 421 and reservior capacitor 422 are read in covering.Thus, just can make the light-sensitive area of part still can reflection ray, so have the effect that improves aperture opening ratio.
Fig. 4 is according to the framework of the shown a kind of pel array of further embodiment of this invention and function mode thereof.As shown in Figure 4, comprise display pixel 431 in the array of display pixels 401, and display pixel 431 is in order to receive sweep signal G
n, S
N+1, G
N+2, S
N+3, with according to sweep signal G
n, S
N+1, G
N+2, S
N+3And upgrade, and Photoinduction device 402 is by sweep signal G
n, G
N+2, S
N+3Control.Sweep signal G
n, G
N+2Have identical voltage level, but sweep signal G
n, G
N+2Duration of work different, and sweep signal S
N+1, S
N+3Have identical voltage level, but sweep signal S
N+1, S
N+3Duration of work different.
In one embodiment, sweep signal G
nAnd/or G
N+2The accurate Vgl in low-voltage position with respect to sweep signal S
N+1And/or S
N+3The accurate Vsl in low-voltage position different, perhaps sweep signal G
nAnd/or G
N+2High voltage level Vgh with respect to sweep signal S
N+1And/or S
N+3High voltage level Vsh different.In another embodiment, sweep signal G
nAnd/or G
N+2The accurate Vgl in low-voltage position with respect to sweep signal S
N+1And/or S
N+3The accurate Vsl in low-voltage position different, and sweep signal G
nAnd/or G
N+2High voltage level Vgh with respect to sweep signal S
N+1And/or S
N+3High voltage level Vsh not identical yet.
In addition, sweep signal G
nAnd/or G
N+2The time scale of high-low voltage position standard can be with respect to sweep signal S
N+1And/or S
N+3The time scale of high-low voltage position standard different, specifically as previously mentioned, so repeat no more in this.
In the present embodiment, as shown in Figure 4, display can comprise data line 240 and sweep trace 331～334, and wherein sweep trace 331～334 is respectively in order to transmit G
n, S
N+1, G
N+2, S
N+3Secondly, display pixel 431 comprises sub-pixel 901～904, and it is respectively in order to show different colours, for example: red (R), green (G), blue (B), white (W).Shared data line 240 of sub-pixel 901～904 common connections, and sub-pixel 901 connects sweep traces 331, sub-pixel 902 connects sweep traces 332, and sub-pixel 903 connects sweep traces 333, and sub-pixel 904 connects sweep trace 334.
Moreover the first end of reading transistor 421 connects sense wire 403, and the control end of reading transistor 421 connects sweep trace 331.One end of reservior capacitor 422 connects the second end of reading transistor 421, and its other end connects predetermined voltage DC.The first end of photistor 423 connects the second end of reading transistor 421, and the second end of photistor 423 connects sweep trace 334, and the control end of photistor 423 connects sweep trace 333.
In the operation, in time t1, sweep signal G
n, S
N+1Transition is in high voltage level, thereby upgrades sub-pixel 901,902, and conducting reads transistor 421, so that storage capacitors 422 stored voltages export sense wire 403 to by reading transistor 421.Then, in time t2, sweep signal S
N+1Still remain in high voltage level, thereby further upgrade sub-pixel 902, so that sub-pixel 902 shows corresponding different pixels data.
Then, in time t3, sweep signal G
N+2, S
N+3Transition is in high voltage level, thus renewal sub-pixel 903,904, and conducting photistor 423, so that sweep signal S
N+3By 422 chargings of 423 pairs of storage capacitors of photistor, whereby storage capacitors 422 is reset, and read transistor 421 when next conducting, storage capacitors 422 stored voltages can export sense wire 403 to by reading transistor 421 again, finish the operation of reading sensing signal.Then, in time t4, sweep signal S
N+3Still remain in high voltage level, thereby further upgrade sub-pixel 904, so that sub-pixel 904 shows corresponding different pixels data.
Similar above-mentioned, (as: provide sweep signal S by same sweep trace
N+3Sweep trace) sweep signal is provided, for Photoinduction device 402 and array of display pixels 401 operations (for example: sweep signal S
N+3Storage capacitors 422 is reset and is upgraded sub-pixel 904), just can in each display pixel, reduce the configuration space of a sweep trace, correspondingly increase whereby the aperture opening ratio of display pixel.
On the other hand, as shown in Figure 4, display also can comprise reflection horizon 620, and reflection horizon 620 covers above-mentioned array of display pixels 401, and transistor 421 and reservior capacitor 422 are read in covering.Thus, just can make the light-sensitive area of part still can reflection ray, so have the effect that improves aperture opening ratio.
In earlier figures 2 to embodiment shown in Figure 4, the reflection horizon is configurable being covered on array of display pixels 401 and the light-sensitive area partly (particularly reading transistor 421 and reservior capacitor 422) all, the light-sensitive area that so just can make part still can reflection ray, so have the effect that improves aperture opening ratio.Fig. 5 illustrates the cross-sectional view of array of display pixels and Photoinduction device in the prior art illustratively, and Fig. 6 illustrates the cross-sectional view of array of display pixels and Photoinduction device in the embodiment of the invention illustratively.As shown in Figure 5, read transistor and reservior capacitor in the Photoinduction device all are not reflected layer and cover, and compared to Fig. 5, read transistor and reservior capacitor among Fig. 6 then all are reflected layer and cover, improve whereby aperture opening ratio, in other words, the reflection horizon not only covers display pixel, also cover and read transistor and reservior capacitor in the Photoinduction device, to improve pixel aperture ratio.In other words, reading transistor and reservior capacitor is positioned among the orthogonal projection of reflection horizon to the glass substrate of reading transistor and reservior capacitor one side.
Another way of the present invention is about a kind of method of operating with display of inducing function, and it can be used for aforesaid display, but not as limit.For convenience and for the purpose of clearly demonstrating, following method of operating will explain as an example of embodiment shown in Figure 2 example, but those skilled in the art can be applied to method of operating in the different displays without departing from the spirit and scope of the present invention.
Method of operating comprises following step: provide sweep signal G by sweep trace 311～314
n, S
N+1, G
N+2, S
N+3Give respectively display pixel 411,412, upgrade with control display pixel 411,412, wherein sweep signal G
n, G
N+2With sweep signal S
N+1, S
N+3Have different voltage levels; Sweep signal G is provided
n, G
N+2, S
N+3Give Photoinduction device 402, with control Photoinduction device 402; And the sensing value that reads Photoinduction device 402.
In one embodiment, provide sweep signal G
n, G
N+2, S
N+3Also comprise for Photoinduction device 402 with the step of control Photoinduction device: sweep signal G is provided
n Give Photoinduction device 402, so that the stored Voltage-output of the storage capacitors 422 of Photoinduction device 402 inside is to sense wire 403; And provide sweep signal G
N+2, S
N+3Give Photoinduction device 402, so that the current potential of the storage capacitors 422 of Photoinduction device 402 inside is reset.
In this embodiment, sweep signal G
nAnd/or G
N+2The accurate Vgl in low-voltage position with respect to sweep signal S
N+1And/or S
N+3The accurate Vsl in low-voltage position different, perhaps sweep signal G
nAnd/or G
N+2High voltage level Vgh with respect to sweep signal S
N+1And/or S
N+3High voltage level Vsh different.In another embodiment, sweep signal G
nAnd/or G
N+2The accurate Vgl in low-voltage position with respect to sweep signal S
N+1And/or S
N+3The accurate Vsl in low-voltage position different, and sweep signal G
nAnd/or G
N+2High voltage level Vgh with respect to sweep signal S
N+1And/or S
N+3High voltage level Vsh not identical yet.
In addition, sweep signal G
nAnd/or G
N+2The time scale of high-low voltage position standard can be with respect to sweep signal S
N+1And/or S
N+3The time scale of high-low voltage position standard different, specifically as previously mentioned, so repeat no more in this.
Although the present invention discloses as above with embodiment; yet it is not to limit the present invention; any person of ordinary skill in the field without departing from the spirit and scope of the present invention; can carry out numerous variations and modification to it, therefore scope of patent protection of the present invention should be defined with this instructions appending claims and is as the criterion.
Claims (21)
1. the display with inducing function is characterized in that, comprises:
The multi-strip scanning line;
Many data lines, interconnected with those sweep traces;
One pel array connects those sweep traces and data line, and this pel array comprises:
One array of display pixels connects those sweep traces and data line; And
One Photoinduction device is positioned at a side of array of display pixels; And
The one scan circuit, in order to provide by those sweep traces one first sweep signal with different voltage levels and one second sweep signal to this array of display pixels controlling this array of display pixels, and in order to provide this first sweep signal and this second sweep signal to this Photoinduction device.
2. the display with inducing function according to claim 1 is characterized in that, this array of display pixels comprises:
One first display pixel is in order to receive this first sweep signal and one the 3rd sweep signal, to upgrade according to this first sweep signal and the 3rd sweep signal; And
One second display pixel is in order to receive this second sweep signal and one the 4th sweep signal, to upgrade according to this second sweep signal and the 4th sweep signal.
3. the display with inducing function according to claim 2 is characterized in that, the relative low-voltage position of this first, second sweep signal is accurate different, or the relative high voltage level of this first, second sweep signal is different.
4. the display with inducing function according to claim 2 is characterized in that, the relative high voltage level of this first, second sweep signal is different, and the relative low-voltage position of this first, second sweep signal is accurate different.
5. according to claim 3 or 4 described displays with inducing function, it is characterized in that the time scale of the relative high-low voltage position standard of this first, second sweep signal is different.
6. the display with inducing function according to claim 2, it is characterized in that, those data lines comprise first, the second data line, those sweep traces comprise first, second, the 3rd, the 4th sweep trace, this first sweep trace is in order to transmit this first sweep signal, this second sweep trace is in order to transmit this second sweep signal, this three scan line is in order to transmit the 3rd sweep signal, the 4th sweep trace is in order to transmit the 4th sweep signal, wherein this first sweep signal has identical position standard with the 4th sweep signal, and this second sweep signal has identical position standard with the 3rd sweep signal;
This first display pixel comprises first to fourth sub-pixel, this first to fourth sub-pixel has different colors, this first sub-pixel is connected this first sweep trace and connects separately this first, second data line with this second sub-pixel, the 3rd sub-pixel is connected this three scan line and connects separately this first, second data line with the 4th sub-pixel;
This second display pixel comprises the 5th to the 8th sub-pixel, the the 5th to the 8th sub-pixel has corresponding color with this first to fourth sub-pixel respectively, the 5th sub-pixel is connected the 4th sweep trace and connects separately this first, second data line with the 6th sub-pixel, the 7th sub-pixel is connected this second sweep trace and connects separately this first, second data line with the 8th sub-pixel.
7. the display with inducing function according to claim 6 is characterized in that, this Photoinduction device comprises:
One reads transistor, has a first end, one second end and a control end, and wherein this first end connects a sense wire, and this control end connects this first sweep trace;
One reservior capacitor connects this and reads transistorized the second end; And
One photistor, have a first end, one second end and a control end, wherein the first end of this photistor connects this and reads transistorized the second end, and the second end of this photistor connects this second sweep trace, and the control end of this photistor connects the 4th sweep trace.
8. the display with inducing function according to claim 1, it is characterized in that, this array of display pixels comprises the one first to the 3rd sub-pixel, this sweep circuit provides one the 3rd sweep signal to this array of display pixels by those sweep traces, and this Photoinduction device is controlled by this first, second, third sweep signal.
9. the display with inducing function according to claim 8, it is characterized in that, the relative low-voltage position standard of this first, second, third sweep signal is incomplete same, or the relative high voltage level of this first, second, third sweep signal is incomplete same.
10. the display with inducing function according to claim 8, it is characterized in that, the relative low-voltage position standard of this first, second, third sweep signal is incomplete same, and the relative high voltage level of this first, second, third sweep signal is incomplete same.
11. according to claim 9 or 10 described displays with inducing function, it is characterized in that the time scale of the relative high-low voltage position standard of this first, second, third sweep signal is incomplete same.
12. the display with inducing function according to claim 8, it is characterized in that, those sweep traces comprise one first, second, third sweep trace, this first to the 3rd sub-pixel connects respectively this first, second, third sweep trace, this first, second, third sub-pixel all connects the same one in those data lines and connects respectively this first, second, third sweep trace, and this first, second, third sweep trace transmits respectively this first, second, third sweep signal;
Wherein this Photoinduction device comprises:
One reads transistor, has a first end, one second end and a control end, and wherein this first end connects a sense wire, and this control end connects this first sweep trace;
One reservior capacitor connects this and reads transistorized the second end; And
At least one photistor, have a first end, one second end and a control end, wherein the first end of this photistor connects this and reads transistorized the second end, and the second end of this photistor connects this second sweep trace, and the control end of this photistor connects this three scan line.
13. the display with inducing function according to claim 1 is characterized in that, this array of display pixels comprises:
One display pixel, in order to receive this first sweep signal, this second sweep signal, one the 3rd sweep signal and one the 4th sweep signal, upgrading according to this first sweep signal, this second sweep signal, the 3rd sweep signal and the 4th sweep signal, and this Photoinduction device is controlled by this first sweep signal, this second sweep signal and the 4th sweep signal;
Wherein those data lines comprise one first data line, those sweep traces comprise that one first sweep trace, one second sweep trace, a three scan line and one the 4th sweep trace are respectively in order to transmit this first sweep signal, this second sweep signal, the 3rd sweep signal and the 4th sweep signal, wherein this first sweep signal has identical position standard with the 4th sweep signal, and this second sweep signal has identical position standard with the 3rd sweep signal;
Wherein this display pixel comprises respectively one first sub-pixel, one second sub-pixel, one the 3rd sub-pixel and one the 4th sub-pixel in order to show different colours, this first sub-pixel, this second sub-pixel, the 3rd sub-pixel and the 4th sub-pixel connect this first data line jointly, this first sub-pixel connects this first sweep trace, this second sub-pixel connects this three scan line, the 3rd sub-pixel connects the 4th sweep trace, and the 4th sub-pixel connects this second sweep trace.
14. the display with inducing function according to claim 13, it is characterized in that, this first sweep signal is accurate from the relative low-voltage position of this second sweep signal or high voltage level is different relatively, and the 3rd sweep signal is accurate from the relative low-voltage position of the 4th sweep signal or high voltage level is different relatively.
15. the display with inducing function according to claim 13, it is characterized in that, this first sweep signal is different from the time scale of the relative high-low voltage position standard of this second sweep signal, and the 3rd sweep signal is different from the time scale of the relative high-low voltage position standard of the 4th sweep signal.
16. such as request 13 a described display with inducing function, it is characterized in that this Photoinduction device comprises:
One reads transistor, has a first end, one second end and a control end, and wherein this first end connects a sense wire, and this control end connects this first sweep trace;
One reservior capacitor connects this and reads transistorized this second end; And
One photistor, have a first end, one second end and a control end, wherein this first end of this photistor connects this and reads transistorized this second end, and this of this photistor the second end connects this second sweep trace, and this control end of this photistor connects the 4th sweep trace.
17. according to claim 7,12 or 16 described displays with inducing function, it is characterized in that, also comprise:
One first substrate;
One second substrate is oppositely arranged with this first substrate;
One liquid crystal layer is arranged between this first substrate and this second substrate; And
One reflection horizon between this first substrate and this second substrate and cover this display pixel, and covers in this Photoinduction device this and reads transistor and this reservior capacitor.
18. the method for operating with display of inducing function is characterized in that, this display comprises multi-strip scanning line, many data lines, one first display pixel, one second display pixel and Photoinduction devices, and this method of operating comprises:
Provide first, second sweep signal of different voltage levels to upgrade to control this first, second display pixel to this first, second display pixel respectively by those sweep traces;
Provide this first, second sweep signal to this Photoinduction device to control this Photoinduction device; And
Read the sensing value of this Photoinduction device.
19. method of operating according to claim 18 is characterized in that, provides this first, second sweep signal also to comprise with the step of controlling this Photoinduction device to this Photoinduction device:
Provide this first sweep signal to this Photoinduction device, so that the Voltage-output of a storage capacitors of this Photoinduction device inside is given a sense wire that is contained in this Photoinduction device; And
Provide this second sweep signal and one the 3rd sweep signal to this Photoinduction device, so that the current potential of this storage capacitors of this Photoinduction device inside is reset.
20. method of operating according to claim 19, it is characterized in that the relative low-voltage position standard of this second, third sweep signal is different or high voltage level relative low-voltage position different or this second, third sweep signal is accurate neither together with relative high voltage level relatively.
21. according to claim 19 or 20 described methods of operating, it is characterized in that the time scale of the relative high-low voltage position standard of this second, third sweep signal is different.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW101128039A TWI499828B (en) | 2012-08-03 | 2012-08-03 | Display with sensing capability and operating method thereof |
| TW101128039 | 2012-08-03 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102915708A true CN102915708A (en) | 2013-02-06 |
| CN102915708B CN102915708B (en) | 2015-03-04 |
Family
ID=47614049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210384427.7A Expired - Fee Related CN102915708B (en) | 2012-08-03 | 2012-10-11 | Display with sensing function and operation method thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102915708B (en) |
| TW (1) | TWI499828B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110189679A (en) * | 2018-08-10 | 2019-08-30 | 友达光电股份有限公司 | Display device |
| CN110719096A (en) * | 2019-02-25 | 2020-01-21 | 友达光电股份有限公司 | Induction control module and induction method |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI695205B (en) * | 2018-08-10 | 2020-06-01 | 友達光電股份有限公司 | Image-sensing display device and image processing method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101655644A (en) * | 2009-09-04 | 2010-02-24 | 友达光电股份有限公司 | Substrate with touch control function, liquid crystal display and operation method for driving substrate |
| US20110102365A1 (en) * | 2009-11-03 | 2011-05-05 | Samsung Mobile Display Co., Ltd | Flat panel display with built-in touch screen and a method of driving the same |
| CN102402931A (en) * | 2010-09-14 | 2012-04-04 | 财团法人工业技术研究院 | Photosensitive circuit and photosensitive display system |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005043783A (en) * | 2003-07-25 | 2005-02-17 | Oht Inc | Device for inspecting liquid crystal display panel, and method for inspecting liquid crystal panel |
| US7411804B2 (en) * | 2005-06-30 | 2008-08-12 | Seiko Epson Corporation | Integrated circuit device and electronic instrument |
| TW201009665A (en) * | 2008-08-28 | 2010-03-01 | Wintek Corp | Touch panel and sensing circuit thereof |
| TWI407187B (en) * | 2009-07-14 | 2013-09-01 | Au Optronics Corp | Liquid crystal display with sensing mechanism and sense positioning method thereof |
-
2012
- 2012-08-03 TW TW101128039A patent/TWI499828B/en not_active IP Right Cessation
- 2012-10-11 CN CN201210384427.7A patent/CN102915708B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101655644A (en) * | 2009-09-04 | 2010-02-24 | 友达光电股份有限公司 | Substrate with touch control function, liquid crystal display and operation method for driving substrate |
| US20110102365A1 (en) * | 2009-11-03 | 2011-05-05 | Samsung Mobile Display Co., Ltd | Flat panel display with built-in touch screen and a method of driving the same |
| CN102402931A (en) * | 2010-09-14 | 2012-04-04 | 财团法人工业技术研究院 | Photosensitive circuit and photosensitive display system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110189679A (en) * | 2018-08-10 | 2019-08-30 | 友达光电股份有限公司 | Display device |
| CN110189679B (en) * | 2018-08-10 | 2022-07-01 | 友达光电股份有限公司 | Display device |
| CN110719096A (en) * | 2019-02-25 | 2020-01-21 | 友达光电股份有限公司 | Induction control module and induction method |
| CN110719096B (en) * | 2019-02-25 | 2023-03-14 | 友达光电股份有限公司 | Induction control module and induction method |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI499828B (en) | 2015-09-11 |
| TW201407227A (en) | 2014-02-16 |
| CN102915708B (en) | 2015-03-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100492123C (en) | Liquid crystal display device and fabricating and driving method thereof | |
| US9001027B2 (en) | Electrowetting display device including reset signal lines that include notch electrodes and driving method thereof | |
| CN101937293B (en) | Information input device and display device | |
| US20170205956A1 (en) | Display substrate and method for testing the same, display apparatus | |
| CN102165363B (en) | Display device | |
| CN106462019B (en) | Liquid crystal display panel and its control method, liquid crystal display device | |
| US9978301B2 (en) | Display apparatus | |
| CN102446495B (en) | Display device | |
| KR20180046951A (en) | Display panel and display device | |
| US10514788B2 (en) | In-cell touch panel and display device, touch driving method | |
| CN102160023A (en) | Display panel with built-in optical sensor | |
| CN105405416A (en) | Display apparatus and method of driving the same | |
| US20110012815A1 (en) | Active matrix substrate, liquid crystal panel, liquid crystal display device, liquid crystal display unit, and television receiver | |
| CN109509439B (en) | Display device | |
| CN110992911B (en) | Display panel driving method and display device | |
| CN102866547A (en) | Display panel and driving method thereof | |
| US20160062201A1 (en) | Display apparatus | |
| CN103744207B (en) | Display floater | |
| CN102856321A (en) | Thin film transistor array substrate and display device | |
| CN105047143A (en) | Display panel and driving method thereof, display device | |
| US9134837B2 (en) | Display apparatus with reduced signal interference | |
| CN102915708B (en) | Display with sensing function and operation method thereof | |
| CN101556780B (en) | Liquid crystal display panel | |
| US20160217725A1 (en) | Display device and a method for driving the same | |
| EP3816777A1 (en) | Touch display device and display panel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150304 Termination date: 20201011 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |