CN101086562A - Two-dimensional display digital pixel and micro-sensing array combination - Google Patents
Two-dimensional display digital pixel and micro-sensing array combination Download PDFInfo
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- CN101086562A CN101086562A CN 200610083363 CN200610083363A CN101086562A CN 101086562 A CN101086562 A CN 101086562A CN 200610083363 CN200610083363 CN 200610083363 CN 200610083363 A CN200610083363 A CN 200610083363A CN 101086562 A CN101086562 A CN 101086562A
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Abstract
The combined two-dimensional display digital pixel and micro sensing matrix device comprises several pixel components and at least a sensing component allocated at the isle outside the pixel component, with these sensing component and these pixel components up and down layer connected to the column address conductor, with each scanned signal applied to these address conductor, each data signal of the drive circuit applied to these pixel component through the address conductor, a detecting circuit connected to the address conductor to test the sensing element. It allocates these sensing components on the TFT matrix base or the isle between the colored filter base pixel components to reduce loss of transmittance ratio, increase the overall openness.
Description
Technical field
The present invention relates to a kind of convolution matrix pixel and sensing apparatus, the little shadow manufacturing technology of particularly a kind of utilization liquid crystal display now is in conjunction with the device of associated sensed start assemblies such as light sensing, electric capacity, resistance, electromagnetism, make flat-panel screens have the function that shows and import simultaneously, increase the applicability of product.
Background technology
LCD is adopted in electronics industry widely.Because in light weight, the characteristic that volume is little of LCD, make it in many electronic installations, become very welcome show media, for example mobile computer (notebook computer), hand held personal digital assistant (palm top personalassistant) and Portable video signal games system (portable video game system), and most these electronic installations need the interface of input and output.
General array display module has comprised actuate message input sensing device, utilize the input/output interface of this sensing apparatus as display system, through interface thus information is shown to the user, and the user can utilize the peripheral outer device (for example: the mode that light pen) writes and input information through interface thus.Wherein various sensor start assemblies are known skill, some optical sensing subassemblies for example, resistance, electric capacity, the sensing start assembly that electromagnetism is relevant, those sensing start assemblies have extensively been used to make product for example photosensitive coupling component CCD (Charge Coupled Device) or complementary matal-oxide semiconductor CMOS integrated circuit (IC) such as (ComplementaryMetal-Oxide Semiconductor), Figure 1 shows that the equivalent electrical circuit that existing sensing start assembly and display pixel cells array (display cell array) are integrated, this equivalent circuit has a display pixel cells array, and this array of display cells has thin film transistor (TFT) 101.Each of display pixel cells shows thin film transistor (TFT) 101, controls the liquid crystal 102 of a pixel region (pixel area) lining, to produce the needed brightness of this pixel.Level and vertical address wire (address line) Xd and Yd make each display unit be scanned and selected getting.This equivalent circuit also has a sensor array 103.Each sensor 103 is attached to a sensor diode 104.Level and vertical address line Xs and Ys allow each sensor to be scanned and be selected.This display pixel cells array has a storage capacitors array 105, in order to store charge in addition.This sensor array and sensor thin film transistor 103 are formed in the display pixel cells, cause the aperture opening ratio reduction and then cause the transmittance loss because of glazed area reduces.
Summary of the invention
In view of above prior art problems, purpose of the present invention provides a kind of device that utilizes the little shadow manufacturing technology of liquid crystal display in conjunction with associated sensed start assemblies such as light sensing, electric capacity, resistance, electromagnetism, make flat-panel screens have the function that shows and import simultaneously, increase the applicability of product.
For achieving the above object, disclosed is a kind of in conjunction with two-dimensional display digital pixel and micro-sensing array device, comprise: several pixel components and at least one sensing component, this sensing component is disposed at the aisle between those pixel components, lower leaf is connected to column address conductor on this sensing component and those pixel components, and all sweep signals are applied to these address conductor; All data-signals of one drive circuit are applied to those pixel components via this row address conductor, and a circuit for detecting is connected to this row address conductor, to detect this sensing component.
Disclosed is a kind of in conjunction with two-dimensional display digital pixel and micro-sensing array device, its this sensing component layout is on the aisle of liquid crystal film transistor (TFT) array base palte or colored filter substrate, can reduce the transmittance loss, increase the integral light-transmitting rate.This sensing component is disposed at the aisle between those pixel components, has advantage what follows: have the effect that shows and import simultaneously 1..2. the effect of its demonstration and input is all the mode of digital pixel.3. because of being all sensing component between each pixel, so the input range size can produce the style of writing effect.4. because of being all sensing component between each pixel, input range is contained several pixels, by the IC design fault tolerance can be arranged, and the inefficacy of some sensing components still can not make product input function complete failure.5. LCD can not produce aberration as the conventional cathode ray tube display is subjected to the component interference of electromagnetism sensing class.6. optical sensing subassembly for example: sensing components such as ultraviolet ray, infrared ray, visible light, laser can provide long distance remote control and full-color input effect.Its application of the present invention can replace analog touch control component now, and further style of writing and color input function are provided, and similarly is hand held personal digital assistant, smart phone, flat computer, large-scale display board, color electric blank or the like.
Below in conjunction with the drawings and specific embodiments the utility model is described in detail, but not as to qualification of the present utility model.
Description of drawings
Figure 1 shows that existing sensing start assembly and display pixel cells array integration equivalent circuit diagram;
Figure 2 shows that the synoptic diagram of one embodiment of the invention;
Figure 3 shows that the circuit diagram of the present invention's one exemplary pixels assembly and sensing component combination;
Wherein, Reference numeral
101 show thin film transistor (TFT)
102 liquid crystal
The horizontal address wire of Xd, Xs
Yd, Ys vertical address line
103 image sensor arrays and sensor thin film transistor
104 image sensor diodes
105 storage capacitors arrays
10 panels
12 pixel components
14 column address conductor
15 scan signal drive circuits
16 row address conductor
17 row driving/sensing circuits
18 sensing components
19 control circuits
30 data-signal driving circuits
40 circuit for detecting
41 light pens
20 show thin film transistor (TFT)
21 Liquid crystal modules
22 first electrodes
23 shared electrode
24 sensing film transistors
25 charge storaging capacitors
26 photosensitive components
Embodiment
See also Fig. 2, Fig. 3, Figure 2 shows that the synoptic diagram of one embodiment of the invention, Figure 3 shows that the circuit diagram of the present invention's one exemplary pixels assembly and sensing component combination, it comprises a panel 10, this panel is provided with the Active Addressing liquid crystal pixel assembly 12 and the sensing component 18 of convolution row and row array, and these devices all have row and row address conductor 14 and 16 of each group; And peripheral driving circuit.This peripheral driving circuit has comprised: one scan signal drive circuit 15 is connected to all column address conductor 14; Delegation's driving/sensing circuit 17 is connected to all row address conductor 16; And a control circuit 19, the timing of its may command circuit 15 and 17 exercises, and the vision signal that can supply operating voltage and display data signal is given all pixel components 12.Wherein panel 10 is provided with the pixel components of m row, and each is listed in horizontal direction and disposes n pixel components.Each pixel components 12 be positioned at each intersection group m column address conductor 14, and the intersection point out of the ordinary of 16 of n row address conductor on.Sensing component 18 is positioned at 12 aisle of each pixel components and has sensing function, and lower leaf is connected to all column address conductor 14 on all sensing components 18 and all pixel components 12, and wherein the circuit of an exemplary pixels assembly and sensing component as shown in Figure 2.Each pixel components 12 has comprised one and has shown thin film transistor (TFT) (being called for short TFT) 20, and this shows that it is the Liquid crystal module 21 of representative that thin film transistor (TFT) 20 is connected to an electric capacity.The gate of all demonstration thin film transistor (TFT)s 20 of each pixel components is connected to other column address conductor 14 in one row.The source electrode of all demonstration thin film transistor (TFT)s 20 of each pixel components is connected to other row address conductor 16 in the delegation.The drain end of all demonstration thin film transistor (TFT)s 20 is connected to first electrode 22 of its associated liquid crystal assembly 21.All by first support plate (figure does not show) carrying, this support plate is by being constituted as transparent insulation materials such as glass for first electrode 22 of the row of all these groups and row address conductor 14 and 16, all demonstration thin film transistor (TFT)s 20 and all Liquid crystal modules.Panel 10 and then comprised one second support plate (figure do not show), it is parallel with first support plate and the interval arranged, filling therebetween the liquid crystal material of twisted nematic.This second support plate has carried continuous transparency conducting layer, and has constituted the electrode 23 that all liquid crystal pixel assemblies are shared.
Each sensing component 18 has comprised a sensing film transistor (TFT) 24.These sensing components are shared identical all address conductor with display module, wherein the gate of all sensing film transistors 24 is connected to each other column address conductor 14 in the row, and the source electrode of all sensing film transistors 24 is connected to each other row address conductor 16 in the delegation.Sensing film transistor 24 drains are connected to an end of charge storaging capacitor 25, and the other end of this electric capacity 25 is connected to an adjacent column address conductor 14, and this column address conductor 14 is then relevant with time pixel and the sensing component of row.
The action of row driving/sensing circuit 17 applies data-signal to the pixel components array, so that produce required display effect from panel, and also monitors the light input that is applied to the sensing component array, and an indication is provided in view of the above.For realizing this purpose, circuit 17 comprises a data-signal driving circuit 30 and a circuit for detecting 40, and this data-signal driving circuit 30 use the field of array liquid crystal display display device usually, so this paper will not done explanation.And this circuit for detecting 40, at each column conductor, this amplifier function provides the output indication of sensing component state, just whether is subjected to the irradiation of light pen 41 according to these sensing components.Whether the charged state of the electric capacity 25 of sensing component for example is stored in the electric charge position standard of electric capacity 25, shone and decide according to relevant photosensitive components 26.Circuit for detecting periodically is addressed to all electric capacity 25 with its charged state of sensing, and an output is provided in view of the above, indicates the interval of all sensing components between addressing continuously whether to be subjected to irradiation.Light pen 41 when mobile, with making that each sensing component under its mobile route is shone, detects the sensing component that these are shone on display panel, the form of promptly having represented light pen to move, and data or information are write among this device.
The present invention is not limited to the device of this particular types of optical sensing subassembly in the foregoing description, this sensing component of broad sense speech also can be arbitrary electric capacity of prior art, the assembly of associated sensed such as resistance or electromagnetism start, be applied to the device of the present invention in conjunction with two-dimensional display digital pixel and micro-sensing array, when input applies, it is this input of sensing, make flat-panel screens have the function that shows and import simultaneously, can replace analog touch control component now, and provide further style of writing and color input function, it similarly is the hand held personal digital assistant, smart phone, flat computer, large-scale display board, color electric blank or the like, the applicability of increase product.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.
Claims (12)
1, a kind ofly it is characterized in that, comprise in conjunction with two-dimensional display digital pixel and micro-sensing array device:
Several pixel components;
At least one sensing component, this sensing component are disposed at the outer position, aisle of those pixel components all around, and lower leaf is connected to several column address conductor on this sensing component and those pixel components, and several sweep signals are applied to those column address conductor;
Several data-signals of one data-signal driving circuit are applied to those pixel components via several row address conductor, and
One circuit for detecting is connected to those row address conductor, to detect this sensing component.
2, according to claim 1ly it is characterized in that this pixel components has comprised one and shown thin film transistor (TFT) in conjunction with two-dimensional display digital pixel and micro-sensing array device.
3, according to claim 2ly it is characterized in that in conjunction with two-dimensional display digital pixel and micro-sensing array device it is the Liquid crystal module of representative that this demonstration thin film transistor (TFT) is connected to an electric capacity.
4, according to claim 2ly it is characterized in that the gate that this shows thin film transistor (TFT) is connected to those other column address conductor in conjunction with two-dimensional display digital pixel and micro-sensing array device.
5, according to claim 2ly it is characterized in that the source electrode that this shows thin film transistor (TFT) is connected to those other row address conductor in conjunction with two-dimensional display digital pixel and micro-sensing array device.
6, according to claim 1ly it is characterized in that in conjunction with two-dimensional display digital pixel and micro-sensing array device this sensing component has comprised a sensing film transistor.
7, according to claim 6ly it is characterized in that the transistorized gate of this sensing film is connected to those each other column address conductor in conjunction with two-dimensional display digital pixel and micro-sensing array device.
8, according to claim 6ly it is characterized in that the transistorized source electrode of this sensing film is connected to those each other row address conductor in conjunction with two-dimensional display digital pixel and micro-sensing array device.
9, according to claim 6ly it is characterized in that in conjunction with two-dimensional display digital pixel and micro-sensing array device the transistorized drain of this sensing film is connected to an end of a charge storaging capacitor.
10, according to claim 1ly it is characterized in that in conjunction with two-dimensional display digital pixel and micro-sensing array device this sensing component is made of a photoresistance by an optical sensing subassembly.
11, according to claim 1ly it is characterized in that in conjunction with two-dimensional display digital pixel and micro-sensing array device this circuit for detecting has comprised a charge sensing amplifier.
12, according to claim 10ly it is characterized in that in conjunction with two-dimensional display digital pixel and micro-sensing array device this photoresistance comprises amorphous silicon material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100833631A CN100498432C (en) | 2006-06-06 | 2006-06-06 | Two-dimensional display digital pixel and micro-sensing array combination |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100833631A CN100498432C (en) | 2006-06-06 | 2006-06-06 | Two-dimensional display digital pixel and micro-sensing array combination |
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| Publication Number | Publication Date |
|---|---|
| CN101086562A true CN101086562A (en) | 2007-12-12 |
| CN100498432C CN100498432C (en) | 2009-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100833631A Expired - Fee Related CN100498432C (en) | 2006-06-06 | 2006-06-06 | Two-dimensional display digital pixel and micro-sensing array combination |
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| Country | Link |
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| CN100498432C (en) | 2009-06-10 |
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Assignee: Lingxiang Photoelectric (Suzhou) Co.,Ltd. Assignor: Chi Lin Technology Co.,Ltd. Contract fulfillment period: 2008.12.15 to 2013.12.31 Contract record no.: 2009990000719 Denomination of invention: Two-dimensional display digital pixel and micro-sensing array combination Granted publication date: 20090610 License type: Exclusive license Record date: 20090702 |
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Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.12.15 TO 2013.12.31; CHANGE OF CONTRACT Name of requester: LINGXIANG PHOTOELECTRICITY( SUZHOU) CO., LTD. Effective date: 20090702 |
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Owner name: CHI LIN TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: QILING PHOTOELECTRIC CO., LTD. Effective date: 20130922 |
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Owner name: QILING PHOTOELECTRIC CO., LTD. Free format text: FORMER NAME: CHI LIN TECHNOLOGY CO., LTD. |
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| CP03 | Change of name, title or address |
Address after: Taiwan city Tainan District victory Chinese Rende Street No. 18 A Patentee after: CHI LIN OPTRONICS Corp. Address before: Tainan County, Taiwan, China Patentee before: Chi Lin Technology Co.,Ltd. |
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Effective date of registration: 20130922 Address after: Taiwan city Tainan District victory Chinese Rende Street No. 18 A Patentee after: Chi Lin Technology Co.,Ltd. Address before: Taiwan city Tainan District victory Chinese Rende Street No. 18 A Patentee before: CHI LIN OPTRONICS Corp. |
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Granted publication date: 20090610 Termination date: 20140606 |