CN102760013B - Contact panel - Google Patents
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- CN102760013B CN102760013B CN201210207689.6A CN201210207689A CN102760013B CN 102760013 B CN102760013 B CN 102760013B CN 201210207689 A CN201210207689 A CN 201210207689A CN 102760013 B CN102760013 B CN 102760013B
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Abstract
The present invention discloses a kind of contact panel, comprise: many touching signals sense wires, wherein said touching signals sense wire at least comprises one first signal sense wire, this the first signal sense wire connects multiple OPTICAL SENSORS, and described OPTICAL SENSORS at least comprises one first OPTICAL SENSORS and one second OPTICAL SENSORS; And multiple colored filter, be arranged on described OPTICAL SENSORS, be wherein positioned at this first OPTICAL SENSORS different from the main wave band of the described colored filter above this second OPTICAL SENSORS.
Description
The application is divisional application, and the application number of its female case is: 200910149520.8, and the applying date is: on June 25th, 2009, and application is artificial: Youda Photoelectric Co., Ltd, denomination of invention is: contact panel.
Technical field
The present invention has about a kind of contact panel, particularly a kind of photoinduction formula contact panel.
Background technology
The light sensing function of traditional photoinduction formula contact panel is mainly made up of sensor film transistor (sensorTFT), reading thin film transistor (TFT) (readout TFT) and electric capacity, leakage current can be produced after amorphous silicon (amorphous silicon) semiconductor layer irradiation in sensor film transistor, the current value of sensor film transistor is read through reading thin film transistor (TFT), and can magnitude of voltage be obtained after signal conversion, the large I of this voltage represents the power of light.The activation pattern of photoinduction formula contact panel can be divided into finger presses or light pen to irradiate, and the former reduces the leakage current of sensor film transistor, and the latter increases the leakage current of sensor film transistor, and both all can distinguish with the magnitude of voltage read when not triggering.
Refer to Fig. 1, it is for showing the floor map of a sub-pixel of traditional photoinduction formula contact panel, contact panel has multiple sub-pixel 11, each sub-pixel 11 defined by the sweep trace 12 that two adjacent data lines 10 are adjacent with two, there is in each sub-pixel 11 optical sensing area 16 and a viewing area 18, OPTICAL SENSORS (not illustrating) is set in optical sensing area 16.In traditional photoinduction formula contact panel, to have the light pen activation pattern of RGB (RGB) three look arbitrary source, need OPTICAL SENSORS to be positioned over respectively under RGB tri-kinds of color blockings, to carry out photosensitive to three-color light source respectively, usually RGB tri-coloured light inductor is placed in the sub-pixel with RGB tri-look color filter film respectively, therefore in single sub-pixel 11, optical sensing area 16 is identical with the color filter film color above viewing area 18, and the pixel electrode in single sub-pixel 11 above optical sensing area 16 and viewing area 18 is shared same, not cutting and separating and separate.So the color of the light that OPTICAL SENSORS senses is same as the color of the light that viewing area 18 is passed through in optical sensing area.
In addition, because each optical inductor in each light-sensing region 16 needs to be connected to read signal with signal sense wire 14, and in traditional photoinduction formula contact panel, be provided with an optical inductor in each sub-pixel, therefore all there is a bars sense wire 14 in the sub-pixel of every a line to be connected in series OPTICAL SENSORS all in every a line.Therefore, in traditional photoinduction formula contact panel, the circuit of signal sense wire 14 is too much, and the aperture opening ratio of panel is declined.In addition, in traditional photoinduction formula contact panel, signal sense wire 14 is adjacent with data line 10, therefore easily disturbs by data line 10, causes contact panel easily to have erroneous judgement situation to occur.
Therefore, industry needs a kind of photoinduction formula contact panel badly, and it can overcome the problems referred to above, reaches and increases aperture opening ratio and the effect reducing erroneous judgement.
Summary of the invention
The invention provides a kind of contact panel, comprise: multiple pixel, each pixel comprises M × N number of sub-pixel, and at least m in M × N number of sub-pixel comprises at least one optical sensing area and at least one effective display area, and in M × N number of sub-pixel other at least n only comprise at least one effective display area, wherein M >=2, N >=1, m≤M, m+n=M, and m >=0, and wherein there is at least one OPTICAL SENSORS at least one optical sensing area, colored filter is arranged in described pixel, colored filter comprises the top that the first color filter film is arranged at the OPTICAL SENSORS wherein at least in m in M × N number of sub-pixel, and second the color filter film top that is arranged at the effective display area wherein at least in m in M × N number of sub-pixel with in M × N number of sub-pixel other at least n individual in the top of effective display area, the color of the first color filter film above the optical sensing area in wherein M × N number of sub-pixel at least in m is different from the color of the second color filter film above the effective display area in this m sub-pixel, and signal sense wire, be electrically connected the described OPTICAL SENSORS being arranged in same a line, wherein in the described sub-pixel that every M is capable, only there is a bars sense wire.
In addition, the present invention provides again a kind of contact panel, comprise: multiple pixel, wherein each pixel at least comprises the first sub-pixel, the second sub-pixel and the 3rd sub-pixel, and wherein comprise at least one optical sensing area and at least one effective display area in the first sub-pixel, comprise at least one OPTICAL SENSORS in optical sensing area, the second sub-pixel and the 3rd sub-pixel comprise at least one effective display area; Colored filter is arranged in described pixel, wherein colored filter comprises the top that the first color filter film is covered in the OPTICAL SENSORS in the first sub-pixel, and the second color filter film is covered in the top of the effective display area in first, second and third sub-pixel; And signal sense wire, be electrically connected OPTICAL SENSORS.
In addition, the present invention also provides a kind of contact panel, comprising: multiple sub-pixel, shows A kind color respectively; Multiple OPTICAL SENSORS, sensing has the light source of B kind color respectively, wherein in A × B sub-pixel, has B OPTICAL SENSORS, and A >=B, B >=2; First color filter film is arranged at above described OPTICAL SENSORS; Second color filter film is arranged at above the effective display area of described sub-pixel, wherein in A × B sub-pixel, the color of the second color filter film at least above the color of the first color filter film above B-1 OPTICAL SENSORS and the effective display area in the sub-pixel at this OPTICAL SENSORS place is different; And signal sense wire, be electrically connected the described OPTICAL SENSORS being arranged in same a line, wherein only there is this signal sense wire in the sub-pixel that every A is capable.
The present invention more provides a kind of contact panel, comprise: many touching signals sense wires, wherein said touching signals sense wire at least comprises the first signal sense wire, and the first signal sense wire connects multiple OPTICAL SENSORS, and described OPTICAL SENSORS at least comprises the first OPTICAL SENSORS and the second OPTICAL SENSORS; And multiple colored filter, be arranged on described OPTICAL SENSORS, be wherein positioned at the first OPTICAL SENSORS different from the main wave band of the colored filter above the second OPTICAL SENSORS.
The present invention more provides a kind of contact panel, comprise: many touching signals sense wires, wherein said touching signals sense wire at least comprises the first signal sense wire, and secondary signal sense wire, described touching signals sense wire connects multiple OPTICAL SENSORS respectively, the described OPTICAL SENSORS of the first signal sense wire at least comprises the first OPTICAL SENSORS, and the described OPTICAL SENSORS of secondary signal sense wire at least comprises the first OPTICAL SENSORS; And multiple colored filter, be arranged on described OPTICAL SENSORS, the main wave band being wherein positioned at the described colored filter above the first OPTICAL SENSORS of the first signal sense wire and the first OPTICAL SENSORS of secondary signal sense wire is different.
In order to above-mentioned purpose of the present invention, feature and advantage can be become apparent, below coordinate appended accompanying drawing, be described in detail below:
Accompanying drawing explanation
Fig. 1 is the floor map of the sub-pixel showing traditional photoinduction formula contact panel;
Fig. 2 A to Fig. 2 D is the floor map of display according to the contact panel of various embodiments of the present invention;
Fig. 3 is display foundation one embodiment of the invention, along the diagrammatic cross-section of the contact panel of the profile line 3-3 ' in Fig. 2 A;
Fig. 4 A to Fig. 4 F is display foundation various embodiments of the present invention, in each pixel of contact panel, and the various configuration modes of optical sensing area;
Fig. 5 A to Fig. 5 C is display foundation various embodiments of the present invention, in each pixel of contact panel, and the various arrangement modes of sub-pixel;
Fig. 6 is the floor map of display according to the contact panel of one embodiment of the invention;
Fig. 7 is the floor map of display according to the contact panel of another embodiment of the present invention;
Fig. 8 A is the floor map of display according to the present invention's contact panel of another embodiment again;
Fig. 8 B is the floor map of display according to the present invention's contact panel of another embodiment again;
Fig. 9 for display is according to one embodiment of the invention, the contact panel containing input element schematic diagram is set.
Wherein, Reference numeral
10,20 ~ data line; 11 ~ sub-pixel;
12,22 ~ sweep trace; 14,24a, 24b ~ signal sense wire;
16,26a, 26b, 26c ~ optical sensing area;
27a, 29a ~ first OPTICAL SENSORS; 27b, 29b ~ second OPTICAL SENSORS;
27c, 29c ~ the 3rd OPTICAL SENSORS; 18,28 ~ effective display area;
30a, 30b, 30c ~ first color filter film;
32,32a, 32b, 32c, 32d ~ second color filter film;
34 ~ black-matrix layer; 40 ~ pixel;
41 ~ the first sub-pixels; 42 ~ the second sub-pixels;
43 ~ three sub-pixel; 100 ~ first substrate;
100A ~ signal reads thin film transistor (TFT);
100B ~ light sensing thin film transistor (TFT);
100C, 100D ~ control thin film transistor (TFT);
110 ~ the first conductive layers; 112 ~ the first dielectric layers;
114 ~ semiconductor layer; 116 ~ source/drain pair;
118 ~ the second dielectric layers; 120 ~ pixel electrode;
200 ~ second substrate; 300 ~ display dielectric layer;
400 ~ contact panel; 500 ~ input element;
Px, Py ~ pel spacing; P0, P1, P2 ~ pixel.
Embodiment
The invention provides a kind of contact panel, it has multiple pixel, each pixel comprises multiple sub-pixel, configure an optical inductor in each pixel, preferably, only configure an OPTICAL SENSORS in one of them sub-pixel, therefore the quantity of signal sense wire in contact panel can be reduced, increase the aperture opening ratio of panel, the position of synchronous signal sense wire and data line can not interfere with each other, and can reduce the probability of contact panel erroneous judgement.
Contact panel of the present invention arranges its respective color filter film above respective OPTICAL SENSORS, the color of the color filter film above OPTICAL SENSORS can be different from the color of the color filter film above the effective display area of the sub-pixel at this OPTICAL SENSORS place, by the color filter film above these OPTICAL SENSORS, the light source with multiple color can be sensed.That is, the color of the light that the effective display area that the light color that OPTICAL SENSORS senses is different from the sub-pixel at this OPTICAL SENSORS place is passed through.And the pixel electrode above optical sensing area 16 is spaced from each other with the pixel electrode of the effective display area of the sub-pixel at this OPTICAL SENSORS place and is separated, mutually disturb to prevent above-mentioned two pixel electrodes.
Refer to Fig. 2 A, it is the floor map of display according to the contact panel of one embodiment of the invention.Contact panel has multiple pixel 40, and each pixel 40 comprises M × N number of sub-pixel, such as 3 sub-pixels 41,42 and 43, but is not limited thereto, and other number also can use, such as: 2,4,5,6,8,9 etc.At least m sub-pixel in each pixel, such as a sub-pixel 41 comprises at least one optical sensing area 26a and at least one effective display area 28, other are n sub-pixel at least, such as 2 sub-pixels 42 and 43 only comprise at least one effective display area 28, wherein M >=2, N >=1, m≤M, m+n=M, and m >=0.In preferred embodiment, M >=2, N >=1, m≤M, m+n=M, and m>0.In this embodiment, M=3, N=1, m=1 and n=2.That is, also can have at least one optical sensing area 26a and at least one effective display area 28 by m sub-pixel, and not have other sub-pixel not comprise optical sensing area 26a, namely n is 0.An at least m sub-pixel in each pixel defined by a data line 20, bars sense wire 24a and two adjacent sweep trace 22 respectively; In each pixel other at least n sub-pixel be then defined by the sweep trace 22 that two adjacent data lines 20 are adjacent with two respectively.In addition, have at least one OPTICAL SENSORS (not shown) in the 26a of at least one optical sensing area, it is such as light sensing thin film transistor (TFT).The OPTICAL SENSORS being arranged in optical sensing area 26a, 26b, 26c of same a line utilizes same signal sense wire 24a to be electrically connected, and in the sub-pixel that every M is capable, only have a bars sense wire.
Color filter film is provided with in pixel 40, color filter film comprises the first color filter film 30a and the second color filter film 32, second color filter film 32 comprises first, second and third time color filter film 32a, 32b and 32c, and first, second and third time color filter film 32a, the color of 32b with 32c is different, the color of the first color filter film 30a is selected from first, second and third time color filter film 32a, 32b and 32c one of them, first, second and third time color filter film 32a, the color of 32b and 32c is such as RGB (RGB), but be not limited thereto, but also other is positioned at the color on chromaticity coordinates, as: yellow, purple, palm fibre, tangerine, ash, indigo etc.First color filter film 30a is arranged at above the OPTICAL SENSORS of the optical sensing area 26a of the first sub-pixel 41, second color filter film 32 is then arranged at above the effective display area 28 of first, second, and third sub-pixel 41,42 and 43, and the color of the first color filter film 30a above OPTICAL SENSORS is different from the color of the third time color filter film 32c above the effective display area 28 of first sub-pixel 41 at this OPTICAL SENSORS place.
In fig. 2, the first color filter film 30a above the optical sensing area 26a being arranged in the first sub-pixel 41 is such as red, the second color filter film 32c above effective display area 28 in first sub-pixel 41 is such as blue, the second color filter film 32b above the effective display area 28 of the second sub-pixel 42 is such as green, the second color filter film 32a above the effective display area 28 of the 3rd sub-pixel 43 is such as red, and the arrangement mode of the second color filter film 32 above the effective display area 28 of each pixel is with above-mentioned.
In addition, the first color filter film 30b be positioned at above the 26b of optical sensing area is such as green, and the first color filter film 30c be positioned at above the 26c of optical sensing area is such as blueness.As shown in Figure 2 A, the OPTICAL SENSORS in these optical sensing areas 26a, 26b and 26c aims at arrangement along same a line, and the color of first color filter film 30a, 30b and 30c above the optical sensing area of same row is different.Mode as shown in Figure 2 A arranges, then the described OPTICAL SENSORS sensing optical sensing area 26a, 26b and 26c of different colours respectively can concentrate arrangement, therefore can make to provide the size of the light source of different colours to reduce.
Refer to Fig. 2 B, it is the floor map of display according to the contact panel of another embodiment of the present invention, and Fig. 2 B and the difference of Fig. 2 A are that the color of the first color filter film 30a above the optical sensing area 26a of same row is identical.
Refer to Fig. 2 C, it is for display is according to the floor map of the contact panel of another embodiment of the present invention, the difference of Fig. 2 C and Fig. 2 A is that the OPTICAL SENSORS in optical sensing area 26a, 26b and the 26c on a longitudinal direction (direction of signal sense wire 24) arranges in zigzag (zigzag) mode, and the color of the first color filter film 30a above the optical sensing area 26a of same row is identical.
Refer to Fig. 2 D, it is for display is according to the floor map of contact panel of another embodiment of the present invention, and the difference of Fig. 2 D and Fig. 2 A is that the OPTICAL SENSORS in optical sensing area 26a, 26b and the 26c on a longitudinal direction (direction of signal sense wire 24) arranges in zigzag (zigzag) mode.
Referring again to Fig. 2 C, in one embodiment of this invention, contact panel comprises multiple sub-pixel, these sub-pixels show A kind color respectively, in addition contact panel also has multiple OPTICAL SENSORS and is arranged in optical sensing area 26a, 26b and 26c, and these OPTICAL SENSORS sense the light source be made up of the independent light of B kind color respectively, only have B OPTICAL SENSORS in A × B sub-pixel, and A >=B, B >=2.In this embodiment, A=3, B=3, but be not limited thereto, other number of combinations also can realize.Similarly, first color filter film 30a is arranged at above the OPTICAL SENSORS of optical sensing area 26a, second color filter film 32 is then arranged on the effective display area 28 of these sub-pixels, and the color of the color of the first color filter film 30a above OPTICAL SENSORS and the second color filter film 32c on the effective display area of the sub-pixel at this OPTICAL SENSORS place can be different.In addition, signal sense wire 24 is electrically connected the OPTICAL SENSORS being positioned at same a line, and such as, OPTICAL SENSORS in optical sensing area 26a and 26c, only has a bars sense wire 24 in the sub-pixel that every A is capable.
Then, refer to Fig. 3, it is for display is according to one embodiment of the invention, along the diagrammatic cross-section of the contact panel 400 of the profile line 3-3 ' in Fig. 2 A.Contact panel 400 comprises first substrate 100 and second substrate 200 is arranged with first substrate subtend, display dielectric layer 300 is arranged between first substrate 100 and second substrate 200, it is such as liquid crystal layer, but is not limited thereto, and also can use electrophoresis layer, flowing powder layer, light emitting layer etc.There is a plurality of data lines 20 on first substrate 100 intermesh with sweep trace 22 (as shown in Figure 2 A), to form multiple sub-pixel.First substrate 100 can be divided into the first sub-pixel 41 and the second sub-pixel 42, first sub-pixel 41 have signal-obtaining thin film transistor (TFT) (readoutTFT) 100A, light sensing thin film transistor (TFT) (photo sensor TFT) 100B and controls thin film transistor (TFT) (control TFT) 100C, the second sub-pixel 42 having and controls thin film transistor (TFT) 100D.Wherein, the first sub-pixel 41 comprises optical sensing area and effective display area, and the second sub-pixel 42 comprises effective display area.Signal-obtaining thin film transistor (TFT) 100A and light sensing thin film transistor (TFT) 100B is electrically connected, to receive the signal from light sensing thin film transistor (TFT) 100B.
First, first substrate 100 is formed the first conductive layer 110 of patterning, it is respectively as signal-obtaining thin film transistor (TFT) 100A, the grid of light sensing thin film transistor (TFT) 100B and control thin film transistor (TFT) 100C and 100D, then on the first conductive layer 110, the first dielectric layer (or being called gate insulator) 112 is covered, and on the first dielectric layer 112, form the semiconductor layer 114 of patterning, then on semiconductor layer 114, source/drain is formed to 116, and source/drain to 116 on cover the second dielectric layer (or being called protective seam) 118, to form signal-obtaining thin film transistor (TFT) 100A, light sensing thin film transistor (TFT) 100B and control thin film transistor (TFT) 100C and 100D.Then on the second dielectric layer 118, form pixel electrode 120, wherein pixel electrode 120 can only be arranged in the effective display area of each sub-pixel; Or pixel electrode 120 can be arranged in the effective display area of each sub-pixel and in optical sensing area respectively, but the pixel electrode in this 2nd district is mutually separated and unconnected.In addition, signal sense wire (not drawing) is arranged on first substrate 100 together with light sensing thin film transistor (TFT) 100B.Wherein, signal-obtaining thin film transistor (TFT) 100A is connected in series with light sensing thin film transistor (TFT) 100B phase, namely the drain electrode 116 of signal-obtaining thin film transistor (TFT) 100A is serially connected with the source electrode 116 of light sensing thin film transistor (TFT) 100B, and control thin film transistor (TFT) 100C and 100D and be mutually electrically insulated, namely control the pixel electrode 120 that thin film transistor (TFT) 100C controls sub-pixel 41, and control the pixel electrode 120 that thin film transistor (TFT) 100D only controls in the effective display area 28 of sub-pixel 42.
Second substrate 200 also can be divided into the effective display area 28 of optical sensing area 26a, the first sub-pixel 41 and the effective display area 28 of the second sub-pixel 42, and the region that second substrate 200 indicates is corresponding to the region described in first substrate 100.There is the first color filter film 30a on the 26a of optical sensing area, then there is respectively the 3rd and second time color filter film 32c and 32b on the effective display area 28 of the first sub-pixel 41 and the second sub-pixel 42.In addition, second substrate 200 also has black-matrix layer 34, it corresponds to first substrate 100, divides the first sub-pixel 41 and the second sub-pixel 42 on first substrate 100.And the black-matrix layer 34 being positioned at optical sensing area 26a more can cover signal-obtaining thin film transistor (TFT) 100A, namely black-matrix layer 34 can cover the semiconductor layer 114 of signal-obtaining thin film transistor (TFT) 100A and exceed the projected area of semiconductor layer 114, allows signal-obtaining thin film transistor (TFT) 100A can not be subject to the interference of ambient light.But black-matrix layer 34 can't cover light sensing thin film transistor (TFT) 100B, namely black-matrix layer 34 can not cover the semiconductor layer 114 of light sensing thin film transistor (TFT) 100B.
In addition, in another embodiment of the invention, first color filter film 30a, 30b and 30c and second color filter film 32a, 32b and 32c also can be arranged at above the thin film transistor (TFT) of first substrate 100, become colored filter contact panel of (color filter on array, be called for short COA) on array.
Then, refer to Fig. 4 A to Fig. 4 F, it is for display is according to various embodiments of the present invention, in each pixel of contact panel, and the configuration mode of optical sensing area.Except the set-up mode of the optical sensing area shown in Fig. 2 A to Fig. 2 D, as shown in fig. 4 a and fig. 4b, optical sensing area 26a can be arranged on any corner of one of them sub-pixel of each pixel, and forms the complete sub-pixel that has optical sensing area.In addition, as depicted in figs. 4 c and 4d, optical sensing area 26a can be arranged on left side or the right side of one of them sub-pixel of each pixel, wherein, and the length of optical sensing area 26a, i.e. long limit (or being called Y direction), approximate the length of other sub-pixel 28, i.e. long limit (or being called Y direction), or as depicted in figs. 4 e and 4f, optical sensing area 26a can be arranged on upside or the downside of each sub-pixel of each pixel, wherein.The width of optical sensing area 26a, i.e. long limit (or being called X-direction), approximate the width sum total of other sub-pixel 28, i.e. minor face (or being called X-direction) sum total.In addition, in each pixel, the setting of optical sensing area is not limited to fixed position, therefore, in one embodiment of this invention, OPTICAL SENSORS can aim at arrangement along same row, or arranges in a zigzag (zigzag) mode at a horizontal direction (direction of sweep trace).
Illustrate although the various embodiments described above contain M × N=3 sub-pixel for each pixel, but in other embodiments of the invention, each pixel also can contain 4,5 or 6 sub-pixels, and the arrangement of these sub-pixels can be strip or matrix.Refer to Fig. 5 A and Fig. 5 B, wherein each pixel contains M × N=4 sub-pixel, in fig. 5,4 sub-pixels with stripe-arrangement, wherein M=4, N=1; In figure 5b, 4 sub-pixels arrange with matrix, wherein M=2, N=2, and the color of color filter film 32a, 32b, 32c and 32d that each sub-pixel covers can be different, such as, be red, green, blue and white (RGBW).In addition, as shown in Figure 5 C, each pixel can contain M × N=6 sub-pixel, wherein M=3, N=2, and the color of color filter film 32a, 32b, 32c and 32d of wherein 4 sub-pixels covering can be different, be such as red, green, blue and white (RGBW), the color of the color filter film that all the other 2 sub-pixels cover then can be selected from one of red, green, blue and white (RGBW).Referring again to Fig. 5 A, wherein each pixel also at least can comprise a × b sub-pixel, in a × b sub-pixel one of them, such as sub-pixel 32d comprises at least one optical sensing area 26a and at least one effective display area 28, and in the 26a of optical sensing area, comprise at least one OPTICAL SENSORS (not drawing), and other are multiple in a × b sub-pixel, such as sub-pixel 32a, 32b and 32c comprises at least one effective display area 28, wherein a >=4 and b >=1.
According to various embodiments of the present invention, in each pixel, the sub-pixel with optical sensing area can be one or more, and such as, in each pixel containing 3 sub-pixels, the sub-pixel with optical sensing area can be 1,2 or 3; In each pixel containing 4 sub-pixels, the sub-pixel with optical sensing area can be 1,2,3 or 4, and the rest may be inferred.
Then, refer to Fig. 6, it is for display is according to the floor map of the contact panel of one embodiment of the invention, multiple optical sensing area 26a, 26b and 26c wherein on same signal sense wire 24 can be arranged by the one or more pel spacing Py in interval, wherein pel spacing Py is defined by the length (or being called Y direction) of a pixel, representative is spaced a pixel, and this pixel has multiple sub-pixel.For example, if there is the pixel of optical sensing area 26a to be P0, then the next pixel P1 with multiple sub-pixel, this pixel P1 do not have any optical sensing area 26a.Then to the next pixel P2 with optical sensing area, the rest may be inferred then.Certainly, also can be that pixel P0 does not have optical sensing area, next pixel P1 has optical sensing area, and the next pixel P2 with multiple sub-pixel does not have any optical sensing area 26a, and the rest may be inferred.Moreover, also can design combination by above-mentioned pel spacing Py, and become the mode of arbitrary arrangement, but still need to meet feature of the present invention.
In addition, refer to Fig. 7, it is for display is according to the floor map of the contact panel of one embodiment of the invention, two wherein adjacent bars sense wire 24a and 24b can be arranged by the one or more pel spacing Px in interval, wherein pel spacing Px is defined by the width (or being called X-direction) of a pixel, representative is spaced a pixel, this pixel has multiple sub-pixel, in the embodiment of Fig. 7, two adjacent bars sense wire 24a and two, 24b interval pel spacing Px are arranged.For example, if there is the pixel of signal sense wire 24a to be P0, then the next pixel P1 with multiple sub-pixel, this pixel P1 do not have any signal sense wire.Then to the next pixel P2 with signal sense wire 24b, the rest may be inferred then.Certainly, also can be that pixel P0 does not have signal sense wire, next pixel P1 has signal sense wire, and the next pixel P2 with multiple sub-pixel does not have any signal sense wire, and the rest may be inferred.Moreover, also can design combination by above-mentioned pel spacing Px, and become the mode of arbitrary arrangement, but still need to meet feature of the present invention.
Refer to Fig. 8 A, it is for display is according to the floor map of the contact panel of one embodiment of the invention, contact panel comprises many touching signals sense wire 24a and 24b etc., first touching signals sense wire 24a has multiple OPTICAL SENSORS 27a, 27b and 27c, second touching signals sense wire 24b has multiple OPTICAL SENSORS 29a, 29b and 29c, in the first OPTICAL SENSORS 27a, the color filter film 30a that second OPTICAL SENSORS 27b and the 3rd OPTICAL SENSORS 27c covers, the main wave band of 30b with 30c is different, and the first OPTICAL SENSORS 27a, the sensing reading time of the second OPTICAL SENSORS 27b and the 3rd OPTICAL SENSORS 27c is also different.In addition, in this embodiment, the first OPTICAL SENSORS 27a on two adjacent bars sense wire 24a with 24b is identical with the main wave band of the color filter film 30a that 29a covers, such as be all redness, and the first OPTICAL SENSORS 27a of signal sense wire 24a and the sensing of the first OPTICAL SENSORS 29a of signal sense wire 24b to read the time also identical.Define according to the pel spacing Py of Fig. 6, in the embodiment of Fig. 8 A, multiple optical sensing area 27a, 27b and 27c on same signal sense wire 24a are that one, interval pel spacing Py is arranged; Multiple optical sensing area 29a, 29b and 29c on same signal sense wire 24b are also that one, interval pel spacing Py is arranged.Pel spacing Px according to Fig. 7 defines, and in the embodiment of Fig. 8 A, two adjacent bars sense wire 24a and 24b are that one, interval pel spacing Px is arranged.In addition, the multiple optical sensing areas on same signal sense wire also can be arranged by the more than one pel spacing Py in interval, and two adjacent bars sense wires also can be arranged by the more than one pel spacing Px in interval.
Refer to Fig. 8 B, it is for display is according to the floor map of the contact panel of one embodiment of the invention, the difference of Fig. 8 B and Fig. 8 A is that the color filter film that the first OPTICAL SENSORS 27a on two adjacent bars sense wire 24a and 24b and 29a covers is respectively 30a and 30b, its main wave band is different, such as be respectively red and green, and the first OPTICAL SENSORS 27a of signal sense wire 24a and the sensing of the first OPTICAL SENSORS 29a of signal sense wire 24b to read the time different.Define according to the pel spacing Py of Fig. 6, in the embodiment of Fig. 8 B, multiple optical sensing area 27a, 27b and 27c on same signal sense wire 24a are that one, interval pel spacing Py is arranged; Multiple optical sensing area 29a, 29b and 29c on same signal sense wire 24b are also that one, interval pel spacing Py is arranged.Pel spacing Px according to Fig. 7 defines, and in the embodiment of Fig. 8 B, two adjacent bars sense wire 24a and 24b are that one, interval pel spacing Px is arranged.In addition, the multiple optical sensing areas on same signal sense wire also can be arranged by the more than one pel spacing Py in interval, and two adjacent bars sense wires also can be arranged by the more than one pel spacing Px in interval.
In addition, in the above embodiment of the present invention, the colour mixture of the color filter film color above the described OPTICAL SENSORS that M is capable can color filter film color above the described OPTICAL SENSORS capable with M × p colour mixture on the whole on be identical, or the colour mixture of the color filter film color above the described OPTICAL SENSORS that the colour mixture of color filter film color above the described OPTICAL SENSORS of N row also can arrange with N × p on the whole on be identical, wherein p >=1.
In addition, in the above embodiment of the present invention, if when only having a sub-pixel to have optical sensing area in each pixel, then this sub-pixel with optical sensing area just only defined by a data line, a bars sense wire and two sweep traces.
Then, refer to Fig. 9, it is for display is according to one embodiment of the invention, contact panel containing input element schematic diagram is set, above contact panel 400, arrange an input element 500, contact panel 400 can be one of the various embodiments described above, and input element 500 can provide the light of multiple color, it is made up of arbitrary sources more than at least two kinds of color bands, and input element 500 is such as polychrome light pen.Contact panel 400 is irradiated with input element 500, when the color bands in light source is identical with the main wave band of the color filter film above OPTICAL SENSORS, the light source of this color bands will sense by this OPTICAL SENSORS, such as when containing red light in light source, and the main wave band of color filter film in the first OPTICAL SENSORS is when being red, then the red light in this light source can sense by the first OPTICAL SENSORS.Therefore, in one embodiment of this invention, contact panel 400 can be used as electronic whiteboard, input element 500 is then as light pen, it can draw pattern or the font of different colours on contact panel 400, and the light source of a kind of color bands of input element 500 also can be utilized as signal of erasing, reach wiping function, such as, utilize white light as the use of wiping; Or another input element also can be used as the use of wiping.In addition, input element 500 can also be arranged in pairs or groups contact panel 400, as operating means when light pen mouse or game.
Certainly; the present invention also can have other various embodiments; when not deviating from the present invention's spirit and essence thereof; those of ordinary skill in the art are when making various corresponding change and distortion according to the present invention, but these change accordingly and are out of shape the protection domain that all should belong to the claim appended by the present invention.
Claims (8)
1. a contact panel, has multiple pixel, and each pixel comprises multiple sub-pixel, only configures an optical inductor in each pixel, it is characterized in that, comprising:
Many touching signals sense wires, wherein said touching signals sense wire at least comprises one first signal sense wire, and this first signal sense wire connects multiple OPTICAL SENSORS, and described OPTICAL SENSORS at least comprises one first OPTICAL SENSORS and one second OPTICAL SENSORS; And
Multiple colored filter, is arranged on described OPTICAL SENSORS, is wherein positioned at this first OPTICAL SENSORS different from the main wave band of the described colored filter above this second OPTICAL SENSORS;
It is different that this first OPTICAL SENSORS and the sensing of this second OPTICAL SENSORS of this first signal sense wire read the time;
Two at least one pel spacings of touching signals sense wire interval adjacent in described touching signals sense wire are arranged.
2. contact panel according to claim 1, it is characterized in that, the described OPTICAL SENSORS of this first signal sense wire more comprises one the 3rd OPTICAL SENSORS, and the main wave band of described colored filter above this first OPTICAL SENSORS, this second OPTICAL SENSORS and the 3rd OPTICAL SENSORS neither with.
3. contact panel according to claim 1, it is characterized in that, described touching signals sense wire more comprises a secondary signal sense wire, and this secondary signal sense wire connects multiple OPTICAL SENSORS, described OPTICAL SENSORS at least comprises one first OPTICAL SENSORS and one second OPTICAL SENSORS
The main wave band of the described colored filter wherein above this first OPTICAL SENSORS of this first signal sense wire and this first OPTICAL SENSORS of this secondary signal sense wire is different.
4. contact panel according to claim 1, it is characterized in that, described touching signals sense wire more comprises a secondary signal sense wire, and this secondary signal sense wire connects multiple OPTICAL SENSORS, described OPTICAL SENSORS at least comprises one first OPTICAL SENSORS and one second OPTICAL SENSORS
The main wave band of the described colored filter wherein above this first OPTICAL SENSORS of this first signal sense wire and this first OPTICAL SENSORS of this secondary signal sense wire is identical.
5. a contact panel, has multiple pixel, and each pixel comprises multiple sub-pixel, only configures an optical inductor in each pixel, it is characterized in that, comprising:
Many touching signals sense wires, wherein said touching signals sense wire at least comprises one first signal sense wire, and a secondary signal sense wire, described touching signals sense wire connects multiple OPTICAL SENSORS respectively, the described OPTICAL SENSORS of this first signal sense wire at least comprises one first OPTICAL SENSORS, and the described OPTICAL SENSORS of this secondary signal sense wire at least comprises one first OPTICAL SENSORS; And
Multiple colored filter, is arranged on described OPTICAL SENSORS, and the main wave band being wherein positioned at the described colored filter above this first OPTICAL SENSORS of this first signal sense wire and this first OPTICAL SENSORS of this secondary signal sense wire is different;
It is different that this first OPTICAL SENSORS and the sensing of this first OPTICAL SENSORS of this secondary signal sense wire of this first signal sense wire read the time;
Two at least one pel spacings of touching signals sense wire interval adjacent in described touching signals sense wire are arranged.
6. contact panel according to claim 5, it is characterized in that, described touching signals sense wire more comprises one the 3rd signal sense wire, 3rd signal sense wire connects multiple OPTICAL SENSORS respectively, described OPTICAL SENSORS at least comprises one first OPTICAL SENSORS, and the main wave band of described colored filter above this first OPTICAL SENSORS of this first OPTICAL SENSORS of this first signal sense wire, this secondary signal sense wire and this first OPTICAL SENSORS of the 3rd signal sense wire neither with.
7. contact panel according to claim 5, it is characterized in that, this the first signal sense wire more comprises one second OPTICAL SENSORS, and the main wave band of described colored filter above this first OPTICAL SENSORS of this first signal sense wire and this second OPTICAL SENSORS neither with.
8. contact panel according to claim 5, it is characterized in that, this the first signal sense wire more comprises one second OPTICAL SENSORS, and this first OPTICAL SENSORS of this secondary signal sense wire is identical with the main wave band of the described colored filter above this second OPTICAL SENSORS.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210207689.6A CN102760013B (en) | 2009-06-25 | 2009-06-25 | Contact panel |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210207689.6A CN102760013B (en) | 2009-06-25 | 2009-06-25 | Contact panel |
| CN 200910149520 CN101598864B (en) | 2009-06-25 | 2009-06-25 | Touch control panel |
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| CN 200910149520 Division CN101598864B (en) | 2009-06-25 | 2009-06-25 | Touch control panel |
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| CN102760013B true CN102760013B (en) | 2015-08-12 |
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| CN201210207689.6A Active CN102760013B (en) | 2009-06-25 | 2009-06-25 | Contact panel |
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| TWI450007B (en) * | 2011-09-15 | 2014-08-21 | Au Optronics Corp | Pixel structure |
| TWI554993B (en) * | 2012-11-20 | 2016-10-21 | 劍揚股份有限公司 | Display driving circuit with photo detecting input |
| CN108132731A (en) * | 2012-12-25 | 2018-06-08 | 泉州东行贸易有限公司 | Writing device and its light-emitting diode display panel and lettering pen |
| CN104808403B (en) * | 2015-05-08 | 2018-05-15 | 厦门天马微电子有限公司 | Array base palte, display panel and display device |
| US9977276B2 (en) | 2015-05-08 | 2018-05-22 | Xiamen Tianma Micro-Electronics Co., Ltd. | Array substrate, display panel and display device |
| CN106873832B (en) * | 2017-02-16 | 2020-03-06 | 京东方科技集团股份有限公司 | Optical induction type touch screen, touch display device and touch detection method |
| CN107390441A (en) * | 2017-07-26 | 2017-11-24 | 上海中航光电子有限公司 | A kind of display panel and display device |
| CN107680988B (en) | 2017-09-15 | 2020-03-13 | 上海天马微电子有限公司 | Display panel and electronic equipment |
| CN110956911B (en) * | 2018-09-27 | 2021-10-01 | 合肥鑫晟光电科技有限公司 | Array substrate, detection method thereof and display panel |
| WO2020118499A1 (en) * | 2018-12-11 | 2020-06-18 | 上海箩箕技术有限公司 | Optical sensor and forming method therefor |
| CN115220250A (en) * | 2021-04-20 | 2022-10-21 | 宝宸（厦门）光学科技有限公司 | Electronic device and display projection system |
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| Publication number | Publication date |
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| CN101598864A (en) | 2009-12-09 |
| CN101598864B (en) | 2013-01-02 |
| CN102760013A (en) | 2012-10-31 |
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