CN101551536B - Liquid crystal display and production method - Google Patents
Liquid crystal display and production method Download PDFInfo
- Publication number
- CN101551536B CN101551536B CN2009101391976A CN200910139197A CN101551536B CN 101551536 B CN101551536 B CN 101551536B CN 2009101391976 A CN2009101391976 A CN 2009101391976A CN 200910139197 A CN200910139197 A CN 200910139197A CN 101551536 B CN101551536 B CN 101551536B
- Authority
- CN
- China
- Prior art keywords
- circuit board
- substrate
- data line
- flexible circuit
- sweep trace
- 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.)
- Active
Links
Images
Abstract
The invention provides a liquid crystal display, comprising a first base plate; a heating layer formed on the first base plate; an insulation layer formed on a heating layer; a switch element formed on a first base plate and with a grid electrode connected with a scanning line and a source electric connected with a data line and a drain electrode; a contact pad formed on the insulation layer; a bridge electric formed on a first opening; a protection layer covering the switch element and a capacitance, wherein the bridge electrode is in electrical insulation with the contact pad; a pixel electrode formed on the protection layer and in electric connection with the drain electrode of the switch element; a second base plate with one common electrode on the first base plate; a liquid crystal layer between the first base plate and the second base plate. The operation of the liquid crystal display can quickly increase the temperature of the liquid crystal at low temperature to make the liquidcrystal display in normal operation in very short time.
Description
The present invention is to be that July 5, application number in 2007 are 200710128222.1, denomination of invention is divided an application for " LCD and preparation method thereof " the applying date.
Technical field
The invention relates to a kind of electrooptical device and preparation method thereof, refer to a kind of LCD and preparation method thereof especially with zone of heating.
Background technology
LCD has been widely used on the satellite navigation system and outdoor large display device of various portable type electronic product, transport facility because volume is frivolous.Yet in practical application, LCD but is subjected to the characteristic that liquid crystal at low temperatures can't normal operation and makes and exist inconvenience in the use.When liquid crystal is under the low-temperature condition, liquid crystal must be by irradiation a period of time backlight after start for LCD, and treating that its temperature rises to the normal running temperature scope can normal operation.For example, if be equiped with the satellite navigation system that is equipped with LCD, then its LCD must could operate after a period of time behind the car engine, may impact for traffic safety thus at the automobile of refrigerant latitudes.
Summary of the invention
One of purpose of the present invention is to provide a kind of LCD, to overcome the restriction of LCD on using.
For reaching above-mentioned purpose, the invention provides a kind of LCD.Above-mentioned LCD comprises:
One display panels comprises a surrounding zone;
One zone of heating is arranged on this display panels; And
(flexible printed circuits FPCs), is electrically connected to this zone of heating to two first flexible circuit boards, produces heat energy in order to transmit a voltage to this zone of heating;
Wherein said first flexible circuit board wherein at least one have one narrow with a wide portion, this narrow portion is fixed in this surrounding zone of this display panels and is connected with this zone of heating.
For reaching above-mentioned purpose, the present invention provides a kind of LCD in addition.Above-mentioned LCD comprises:
One first substrate;
One zone of heating is formed on the inside surface of this first substrate;
One insulation course is formed on this zone of heating, and it has at least one first opening;
At least one switching device is formed on this first substrate, and it has that a grid is connected in this sweep trace, one source pole is connected in this data line, and a drain electrode;
At least one sweep trace contact mat is formed on this insulation course, and is electrically connected at this sweep trace;
At least one data line contact mat is formed on this insulation course, and is electrically connected at this data line;
At least one electric capacity is formed on this insulation course;
At least one bridged electrodes is formed in this first opening;
At least one protective seam is covered in this switching device and this electric capacity, and it has a plurality of second openings, exposes described sweep trace contact mat and described data line contact mat and this bridged electrodes respectively; Wherein, this bridged electrodes and this sweep trace contact mat and this data line contact mat are electrically insulated;
At least one pixel electrode is formed on this protective seam and electrically connects with this drain electrode of this switching device;
One has second substrate of a shared electrode, is arranged on this first substrate; And
One liquid crystal layer is arranged between this first substrate and this second substrate.
For reaching above-mentioned purpose, the present invention also provides a kind of method of making LCD, and this method comprises:
One first substrate is provided;
Form a zone of heating on the inside surface of this first substrate;
Form an insulation course on this zone of heating, and it has at least one first opening;
Form that all change element on described first substrate at least, and it has that a grid is connected in the one scan line, one source pole is connected in a data line, and a drain electrode;
Form at least one sweep trace contact mat on described insulation course, and be electrically connected at described sweep trace;
Form at least one data line contact mat on described insulation course, and be electrically connected at described data line;
Form at least one electric capacity on described insulation course;
Form at least one bridged electrodes in described first opening;
Cover at least one protective seam in described switching device and electric capacity, and it has a plurality of second openings, expose described sweep trace contact mat and described data line contact mat and bridged electrodes respectively; Wherein, this bridged electrodes and described sweep trace contact mat and described data line contact mat are electrically insulated;
Form at least one pixel electrode on described protective seam, and the drain electrode of this pixel electrode and described switching device electrically connects;
Be provided with one and have second substrate of a shared electrode on described first substrate; And
Description of drawings
One liquid crystal layer is set between described first substrate and second substrate.
LCD of the present invention utilizes zone of heating to cooperate the design of temperature sensor with flexible circuit board, is in low temperature situation following time in operation of LCD, can promote the temperature of liquid crystal rapidly, makes that LCD can normal operation in the extremely short time.
Fig. 1 and Fig. 2 form the method synoptic diagram of a LCD for one embodiment of the invention.
Fig. 3 is the enlarged diagram of first flexible circuit board of present embodiment.
Fig. 4 to Fig. 8 is the method synoptic diagram of the making LCD of another embodiment of the present invention.
Fig. 9 is the synoptic diagram of another embodiment of testing cushion of display panels of the present invention.
Figure 10 to Figure 12 is the synoptic diagram of the LCD of other embodiment of the present invention.
Figure 13 is the synoptic diagram of an electrooptical device of the present invention.
Drawing reference numeral:
10 display panels, 12 array base paltes
14 colored filter substrates, 16 liquid crystal layers
18 surrounding zones, 20 zones of heating
The narrow portion of 22 first flexible circuit board 22a
Wide 23 binding element of 22b
24 second flexible circuit boards, 26 printed circuit board (PCB)s
30 first substrates, 32 viewing areas
34 surrounding zones, 36 zones of heating
38 insulation courses, 42 switching devices
44 grids, 45 gate insulators
46 sweep traces, 47 semiconductor layers
48 source electrodes, 49 capacitance dielectric layers
52 drain electrodes of 50 data lines
54 sweep trace contact mats, 56 data line contact mats
57 bottom electrodes, 58 electric capacity
59 top electrodes, 60 bridged electrodes
61 leads, 62 protective seams
64 second openings, 66 transparency conducting layers
70 second substrates, 72 shared electrode
74 liquid crystal layers, 80 first flexible circuit boards
82 printed circuit board (PCB)s, 84 second flexible circuit boards
86 printed circuit board (PCB)s, 90 electrooptical devices
92 LCD, 94 electronic components
96 testing cushion
Embodiment
Below be about detailed description of the present invention and accompanying drawing.Yet accompanying drawing only for reference with aid illustration usefulness, be not to be used for to the present invention's limitr in addition.
Please refer to Fig. 1 and Fig. 2.Fig. 1 and Fig. 2 form the method synoptic diagram of a LCD for one embodiment of the invention, and wherein Fig. 1 is the top view of LCD, and Fig. 2 is the diagrammatic cross-section of the LCD of Fig. 1 along profile line AA '.As Fig. 1 and shown in Figure 2, one display panels 10 at first is provided, wherein display panels 10 consists predominantly of second substrate 14 that first substrate 12, with an array layer (not icon) has a shared electrode (not shown), and one liquid crystal layer 16 be located between first substrate 12 and second substrate 14, and display panels 10 has at least one surrounding zone 18.Wherein, for can the display color picture, display panels 10 comprises a chromatic filter layer (not shown) and is arranged at wherein on of first substrate 12 and second substrate 14.In other words, chromatic filter layer optionally is arranged on second substrate 14, just between second substrate 14 and the shared electrode or be arranged on first substrate 12, just between first substrate 12 and the active layers (figure does not show) and on the array layer wherein one.Present embodiment is to have an array layer on first substrate 12, also be referred to as to have a chromatic filter layer on array base palte, second substrate 14, also be referred to as a colored optical filtering substrates and a liquid crystal layer 16 and be located between first substrate 12 and second substrate 14 to implementing example, but not in this limit.Then on the outer surface of second substrate 14 of display panels 10, form a zone of heating 20, again two first flexible circuit boards 22 are individually fixed on the zone of heating 20 of surrounding zone 18 of display panels 10.Present embodiment is that being individually fixed on the zone of heating 20 of surrounding zone 18 on limit, two opposite sides of display panels 10 with two first flexible circuit boards 22 serves as to implement example, but is not limited thereto.Above-mentioned two first flexible circuit boards 22 optionally are fixed on the zone of heating 20 in adjacent peripheral district 18 of display panels 10 or the zone of heating 20 first-class positions of non-opposite side surrounding zone 18.In addition, present embodiment is to be arranged on two outer surfaces of display panels 10 wherein at least one with two first flexible circuit boards 22, but be not limited thereto, also optionally first flexible circuit board 22 is increased or reduces its number according to the requirement in the design, 1,2,3,4,5,6 etc. first flexible circuit board 22 just, optionally is set.In addition, the number of surrounding zone 18 optionally is 1,2,3,4 etc., and present embodiment is an example with 2 surrounding zones 18, but is not limited thereto.
In present embodiment, for avoiding influencing the transmittance of LCD, preferably zone of heating 20, can adopt a transparency conducting layer (as: indium tin oxide, indium-zinc oxide, the aluminium zinc oxide, cadmium tin-oxide Yangization Han, or other material, or above-mentioned combination) be example, but do not limit for this reason, also optionally use opaque conductive layer, the shading conductive layer, reflective conductive layer, for example: gold, silver, copper, iron, tin, plumbous, cadmium, molybdenum, tungsten, titanium, tantalum, aluminium, or other material, or above-mentioned alloy, or above-mentioned nitride, or above-mentioned oxide, or above-mentioned combination or also can adopt transparency conducting layer and opaque conductive layer, the shading conductive layer, reflective conductive layer is at least one combination wherein.In addition, be to be used as the enforcement example in the zone of heating 20 of present embodiment, but also can optionally adopt the plural layer material according to the demand of design with the material of individual layer, as: 2 layers, 3 layers, 4 layers, 5 layers or the like.For first flexible circuit board 22 more firmly is fixed on the zone of heating 20, preferably, for example a conducting resinl, scolding tin, conductive strips, non-conductive adhesive comprise or do not comprise conducting particles, non-conductive band comprises or do not comprise conductive materials etc. can to utilize a binding element 23, first flexible circuit board 22 is fixed on the zone of heating 20, first flexible circuit board 22 can transmit a voltage to zone of heating 20 by this, and feasible zone of heating 20 corresponding to 10 two relative sides of display panels can produce heat energy because of voltage difference.Present embodiment is to be used as binding element 23 with conducting resinl to be arranged between the zone of heating 20 and first flexible circuit board 22, first flexible circuit board 22 is fixed on the zone of heating 20 for implementing example, but be not limited thereto, binding element 23 also can be arranged on the zone of heating 20 and first flexible circuit board 22 or the above-mentioned combination that the position is set, and looks its employed material.In addition, LCD also includes at least one second flexible circuit board 24, is arranged on the display panels 10, with the required signal of transmission fluid LCD panel 10.In addition, provide the contact of the required signal of display panels 10 comparatively to simplify in order to allow, preferably, can be with a printed circuit board (PCB) (PCB) 26, wherein at least one and/or second flexible circuit board 24 are connected with first flexible circuit board 22.
Refer again to Fig. 3, and cooperate with reference to figure 1 and Fig. 2.Fig. 3 is the enlarged diagram of first flexible circuit board 22 of present embodiment.As shown in Figure 3, this enforcement is all to have narrow 22a and width 22b with two first flexible circuit boards 22 to implement example, but be not limited thereto, wherein at least one has one narrow 22a and one wide 22b also can to make first flexible circuit board 22 of present embodiment according to design, and narrow 22a is connected on the zone of heating 20, and the part of wide 22b then protrudes in outside the display panels 10.Narrow 22a of first flexible circuit board 22 has one first width w1, and wide portion has one second width w2, and the ratio of w1/w2, preferably, in fact between 0.1-0.9, but is not limited thereto.
First flexible circuit board 22 of the present invention has the different design of width, the main oversize scope that exceeds the surrounding zone 18 of display panels 10 of considering to be to avoid first flexible circuit board 22, and influence the transmittance of viewing area, therefore the design that has narrow 22a, but simultaneously because first flexible circuit board 22 must be through destroying or force to yield to the below of display panels 10, and this one destroys or force to yield and easily causes first flexible circuit board 22 impaired, first flexible circuit board 22 itself need possess suitable intensity under this situation, and therefore first flexible circuit board 22 has the design of wide 22b.
In the foregoing description, first flexible circuit board 22 and second flexible circuit board 24 are connected on the same printed circuit board (PCB) 26, but application of the present invention is not limited to this, first flexible circuit board 22 also can be connected to respectively on the different printed circuit board (PCB)s according to the different designs notion with second flexible circuit board 24, or first flexible circuit board 22 and second flexible circuit board 24 wherein at least one is not attached on the printed circuit board (PCB).In addition, the position of zone of heating 20 also is not limited to the outer surface that is arranged on second substrate 14, also optionally is arranged at the outer surface of first substrate 12, be arranged at the outer surface of first substrate 12 and second substrate 14 simultaneously, be arranged at the inner surface of first substrate 12, be arranged at the inner surface of second substrate 14, be arranged at the inner surface of first substrate 12 and the inner surface of second substrate 14 simultaneously, be arranged at the inner surface of first substrate 12 and the outer surface of second substrate 14 simultaneously, be arranged at the outer surface of first substrate 12 and the inner surface of second substrate 14 simultaneously, or adopt above-mentioned combination.Again, sometimes for the influence of the rigidity material that reduces printed circuit board (PCB) 26, also can not use printed circuit board (PCB) 26 to be used as the end that connects of signal transmission, but utilize second flexible circuit board 24, be connected in first flexible circuit board 22 wherein at least one, come the required voltage of the required signal of transmission fluid LCD panel simultaneously 10 and zone of heating 20.
Please refer to Fig. 4 to Fig. 8.Fig. 4 to Fig. 8 is the method synoptic diagram of the making LCD of another embodiment of the present invention, wherein Fig. 4 is the top view of LCD, Fig. 5 is the diagrammatic cross-section of the LCD of Fig. 4 along profile line BB ', in order to show switching device, Fig. 6 is the diagrammatic cross-section of the LCD of Fig. 4 along profile line CC ', in order to reading scan line contact mat, Fig. 7 is the diagrammatic cross-section of the LCD of Fig. 4 along profile line DD ', in order to video data line contact mat, Fig. 8 is the diagrammatic cross-section of the LCD of Fig. 4 along profile line EE ', in order to show bridged electrodes, and for showing the feature place of present embodiment, subelement is not shown among Fig. 4 as second substrate and liquid crystal layer.
To shown in Figure 8, at first provide one first substrate 30 as Fig. 4, wherein first substrate 30 comprises a viewing area 32 and at least one surrounding zone 34, wherein is provided with a plurality of pixel region pix in the viewing area 32.Then form a zone of heating 36 on first substrate 30 in regular turn, formation one insulation course 38 on zone of heating 36, and insulation course 38 again has at least one first opening (as shown in Figure 8), exposes the zone of heating 36 of part.Subsequently, produce a plurality of switching devices 42 on first substrate 30, for example: thin film transistor (TFT), each switching device 42 have that a grid 44 is connected in one scan line 46, one source pole 48 is connected in a data line 50, and a drain electrode 52.What deserves to be explained is that the method for present embodiment includes the making of carrying out following elements in the lump in addition when forming the step of sweep trace 46 and/or data line 50:
One, when forming the step of sweep trace 46 and/or data line 50, on first substrate 30, forms an electric capacity 58 in the lump.
Two, when forming the step of sweep trace 46 and/or data line 50, in first opening of insulation course 38, form at least one bridged electrodes 60 in the lump, wherein bridged electrodes 60 electrically connects with zone of heating 36, but is electrically insulated with sweep trace 46 and data line 50.
Three, when forming the step of sweep trace 46, on first substrate 30, form one scan line contact mat 54 at least in the lump, and when forming the step of data line 50, form at least one data line contact mat 56 in the lump, and sweep trace contact mat 54 is electrically connected at sweep trace 46 and data line 50 respectively with data line contact mat 56, further connects with driving circuit to make sweep trace 46 and data line 50 respectively.
Four, when forming the step of sweep trace 46 and/or data line 50, can on first substrate 30, form at least one lead 61 (as shown in Figure 4) in the lump, wherein lead 61 by with sweep trace 46 and data line 50 wherein at least one identical conductive layer constituted, and the flexible circuit board that its role is to be convenient to bridged electrodes 60 and follow-up desire are installed electrically connects.
At least one material that what deserves to be explained is above-mentioned bridged electrodes 60, sweep trace contact mat 54, data line contact mat 56 and lead 61 is same as wherein at least one material of sweep trace 46 and data line 50 in fact.What deserves to be explained is in addition, the sweep trace contact mat 54 and the data line contact mat 56 of present embodiment, if when not having other testing cushion, also optionally be used as testing cushion respectively, test signal can be via sweep trace contact mat 54 and 56 inputs of data line contact mat before not installing driving circuit as yet by this.And according to the design difference of display panels, display panels of the present invention also can be provided with the testing cushion 96 of simple performance test function in addition.Please refer to Fig. 9.Fig. 9 is the synoptic diagram of testing cushion 96 another embodiment of display panels of the present invention.As shown in Figure 9, be different from previous embodiment, the testing cushion 96 of present embodiment is arranged at the surrounding zone 34 of first substrate 30 compared to the position of sweep trace contact mat 54 with data line contact mat 56 more laterals, and testing cushion 96 electrically connects with sweep trace 46 and data line 50, even under the situation that driving circuit has linked with sweep trace contact mat 54 and data line contact mat 56, also can carry out testing electrical property by this by testing cushion 96.
Please continue with reference to figure 4 to Fig. 8.Subsequently; on first substrate 30, form at least one protective seam 62 again; be covered on switching device 42 and the electric capacity 58; and protective seam 62 has a plurality of second openings 64; expose sweep trace contact mat 54, data line contact mat 56, electric capacity 58 and bridged electrodes 60 respectively, wherein bridged electrodes 60, sweep trace contact mat 54 and data line contact mat 56 are essentially and are electrically insulated.
Then on protective seam 62 and electric capacity 58, form at least one transparency conducting layer 66; transparency conducting layer 66 in viewing area 32 as the usefulness of pixel electrode; and electric capacity 58 is electrically connected at the drain electrode 52 of switching device 42 by pixel electrode in present embodiment; but also optionally in the protective seam on electric capacity 58 62; not having second opening 64, also is that electric capacity 58 is not exposed and is covered by transparency conducting layer 66.On the other hand, transparency conducting layer 66 optionally is formed at sweep trace contact mat 54, data line contact mat 56 and bridged electrodes 60 wherein at least one in present embodiment, is beneficial to said elements and does follow-up external connection, but be not limited to this.What deserves to be explained is transparency conducting layer 66 in addition, and be formed at sweep trace contact mat 54, data line contact mat 56 and need different signals to be connected respectively, therefore be essentially insulation between mutually with transparency conducting layer 66 on the bridged electrodes 60 as pixel electrode.
In addition in present embodiment, electric capacity 58 is by a bottom electrode 57 (is the first metal layer hereinafter to be referred as this layer material) of making simultaneously with sweep trace 46, one and the top electrode 59 (is second metal level hereinafter to be referred as this layer material) made simultaneously of data line 50, and the capacitance dielectric layer of being made up of gate insulator 45 and semiconductor layer 47 49 is constituted, and top electrode 59 electrically connects with transparency conducting layer 66, yet the structure of electric capacity 58 is not limited to this and can be other type.For example; the employed capacitance dielectric layer 49 of the electric capacity of the above-mentioned type can use gate insulator 45 or semiconductor layer 47 separately; or top electrode 59 can insulate with transparency conducting layer 66; or electric capacity 58 can be by the first metal layer; second metal level and transparency conducting layer 66 appoint the two as electrode; and utilization at least one dielectric layer therebetween is as capacitance dielectric layer; or electric capacity 58 also can comprise by the first metal layer; second metal level and first electric capacity that dielectric layer constituted therebetween; with by second metal level; second electric capacity that transparency conducting layer 66 and the dielectric layer that comprises therebetween such as protective seam 62 are constituted, and other all kinds of different capacitance structures.
In addition, the pixel electrode of present embodiment is with transparency conducting layer (as: indium tin oxide, indium-zinc oxide, the aluminium zinc oxide, cadmium tin-oxide Yangization Han, or other material, or above-mentioned combination) is used as the enforcement example, but be not limited thereto, also optionally use, opaque conductive layer, the shading conductive layer, reflective conductive layer, for example: gold, silver, copper, iron, tin, plumbous, cadmium, molybdenum, tungsten, titanium, tantalum, aluminium, or other material, or above-mentioned alloy, or above-mentioned nitride, or above-mentioned oxide, or above-mentioned combination or also can adopt transparency conducting layer and opaque conductive layer, the shading conductive layer, the combination of reflective conductive layer.In addition, be to be used as the enforcement example in the pixel electrode of present embodiment, but also can optionally adopt the plural layer material according to the demand of design with the material of individual layer, as: 2 layers, 3 layers, 4 layers, 5 layers or the like.In addition, described switching device 42 structures of present embodiment are that the thin film transistor (TFT) (as: back of the body passage etching type, etching termination type or other kenel) with bottom gate type serves as to implement example, but are not limited thereto, and also optionally use the thin film transistor (TFT) of top gate type.In addition, the kenel of its thin film transistor (TFT) comprises N type thin film transistor (TFT) and/or P type thin film transistor (TFT).Moreover the material of the described semiconductor layer of present embodiment comprises siliceous polycrystalline material, siliceous monocrystal material, siliceous micro crystal material, siliceous non-crystalline material, germanic above-mentioned crystal formation material, or other material or above-mentioned combination.Again, in order to reduce the resistance between semiconductor layer and source/drain electrode 48/52, preferably, can form again a doping semiconductor layer (not shown) between semiconductor layer and the source/drain electrode 48/52 or the semiconductor layer of locating that the source/drain electrode 48/52 is contacted be doping semiconductor layer.In addition, the semiconductor layer of this enforcement is not being doped to the enforcement example, but is not limited thereto, and also at least one doped layer of formation one optionally with low concentration is in wherein.
Subsequently, provide one to have second substrate 70 of sharing electrode 72, and second substrate 70 engaged with first substrate 30, and between first substrate 30 and second substrate 70 formation one liquid crystal layer 74.Wherein, a chromatic filter layer (not shown) is arranged at wherein on of first substrate 12 and second substrate 14.In other words, chromatic filter layer optionally is arranged on second substrate 14, just between second substrate 14 and the shared electrode or be arranged on first substrate 12, just between first substrate 12 and the active layers (figure does not show) and on the array layer wherein one.
Then, upper surface in first substrate 30 is provided with one first flexible circuit board 80, first flexible circuit board 80 electrically connects by lead 61 and bridged electrodes 60, the other end of first flexible circuit board 80 then is connected with a printed circuit board (PCB) 82, and the voltage that printed circuit board (PCB) 82 sent can reach zone of heating 36 via first flexible circuit board 80, lead 61 with bridged electrodes 60 in regular turn by this.Thus, cross when low when the temperature of liquid crystal layer 74, zone of heating 36 can make the temperature of liquid crystal layer 74 rise in the normal operation temperature range at the utmost point in the short time.In addition, first flexible circuit board 80 also is responsible for the required signal of transmission fluid crystal display in the present embodiment.Present embodiment is to contact with zone of heating 36 with bridged electrodes 60, but is limited to this, and alternative is not used bridged electrodes 60 yet, and uses the pixel electrode that is positioned on the zone of heating 36 to be connected with zone of heating 36 and lead 61.
Please refer to Figure 10 to Figure 12, and in the lump with reference to figure 5 to Fig. 8.Figure 10 to Figure 12 is the synoptic diagram of the LCD of other embodiment of the present invention, wherein for comparing the difference of each embodiment, following each embodiment uses identical label with the embodiment of Fig. 4 to Fig. 8, and something in common repeats no more, and followingly only describes with regard to the different place of each embodiment.As described in Figure 10, the LCD of present embodiment includes at least one second flexible circuit board 84 in addition, be arranged on the bridged electrodes 60, and second flexible circuit board 84 all is connected with a printed circuit board (PCB) 82 with first flexible circuit board 80, wherein first flexible circuit board 80 is responsible for the required signal of transmission fluid crystal display, and second flexible circuit board 84 then is responsible for transmitting the required voltage of zone of heating.Wherein, this enforcement is to be example with two first flexible circuit boards 80, and also optionally adopt the described design of Fig. 1～Fig. 3 all to have narrow and width for implementing example, but be not limited thereto, wherein at least one has one narrow and a wide portion also can to make first flexible circuit board 80 of present embodiment according to design, and narrow portion is connected on the zone of heating 36, and the part of wide portion then protrudes in outside the display panels, and its number also can be described according to the foregoing description.
As shown in figure 11, second flexible circuit board 84 of present embodiment for example is connected with another printed circuit board (PCB) 86 respectively, first flexible circuit board 80 then is connected with printed circuit board (PCB) 82, but not embodiment first flexible circuit board 80 and second flexible circuit board 84 all are connected to the practice of same printed circuit board (PCB) as described above, but be not limited thereto.
As shown in figure 12, second flexible circuit board 84 of present embodiment for example be connected to first flexible circuit board 80 earlier, and first flexible circuit board 80 is connected with printed circuit board (PCB) 82 again, but is not limited thereto.
What deserves to be explained is that design of the present invention can be applicable on the various electrooptical device, and be not limited to the enforcement sample attitude that the foregoing description discloses.Please refer to Figure 13.Figure 13 is the synoptic diagram of an electrooptical device of the present invention.As shown in figure 13, can be combined into an electrooptical device 90 with electronic component 94 by the described LCD 92 of the foregoing description.Electronic component 94 comprises as control element, executive component, treatment element, input element, memory element, driving element, light-emitting component, protecting component, sensing element, detecting element or other function element or above-mentioned combination.And the type of electrooptical device 90 comprises the panel in portable product (as mobile phone, video camera, camera, notebook computer, game machine, wrist-watch, music player, electronic mail transceiver, map navigator, digital photo or similar products like), video and audio product (as audio-visual projector or similar products like), screen, TV, billboard, the projector etc.
In sum, LCD of the present invention utilizes zone of heating to cooperate the design of temperature sensor with flexible circuit board, be in low temperature situation following time in operation of LCD, can promote the temperature of liquid crystal rapidly, make that LCD can normal operation in the extremely short time.What deserves to be explained is the bridged electrodes in part embodiment of the present invention in addition, its role is to make driving circuit to be transmitted signal to zone of heating, so it is also inequality with structures such as the contact mat of display panels and/or testing cushion, and is with contact mat and testing cushion etc. and is electrically insulated.
The above only is preferred embodiment of the present invention, and all equalizations of doing according to claim of the present invention change and modify, and all should belong to covering scope of the present invention.
Claims (18)
1. a LCD is characterized in that, this LCD comprises:
One first substrate;
One zone of heating is formed on this first substrate;
One insulation course is formed on this zone of heating, and it has at least one first opening;
At least one switching device is formed on described first substrate, and it has that a grid is connected in sweep trace, one source pole is connected in data line, and a drain electrode;
At least one sweep trace contact mat is formed on the described insulation course, and is electrically connected at described sweep trace;
At least one data line contact mat is formed on the described insulation course, and is electrically connected at described data line;
At least one electric capacity is formed on the described insulation course;
At least one bridged electrodes is formed in described first opening;
At least one protective seam is covered in described switching device and electric capacity, and it has a plurality of second openings, exposes described sweep trace contact mat and described data line contact mat and described bridged electrodes respectively; Wherein, this bridged electrodes and described sweep trace contact mat and described data line contact mat are electrically insulated;
At least one pixel electrode is formed on the described protective seam and electrically connects with the drain electrode of described switching device;
One has second substrate of a shared electrode, is arranged on described first substrate; And
One liquid crystal layer is arranged between described first substrate and second substrate.
2. LCD as claimed in claim 1 is characterized in that, this LCD also comprises:
At least one sweep trace testing cushion is formed on the described insulation course, and is electrically connected at described sweep trace;
At least one data line testing cushion is formed on the described insulation course, and is electrically connected at described data line;
Wherein, described sweep trace testing cushion and described data line testing cushion and described bridged electrodes are electrically insulated.
3. LCD as claimed in claim 2, it is characterized in that described bridged electrodes, described sweep trace contact mat, described data line contact mat, described sweep trace testing cushion and described data line testing cushion wherein at least one material are same as wherein at least one material of described sweep trace and data line.
4. LCD as claimed in claim 1 is characterized in that, this LCD also comprises:
One first flexible circuit board is arranged on described first substrate; And
At least one lead is arranged on described first substrate, so that the described bridged electrodes and first flexible circuit board are electrically connected.
5. LCD as claimed in claim 1 is characterized in that, this LCD also comprises:
One first flexible circuit board is arranged on described first substrate; And
At least one second flexible circuit board is arranged on the described bridged electrodes.
6. LCD as claimed in claim 5 is characterized in that, described second flexible circuit board is connected on first flexible circuit board.
7. LCD as claimed in claim 4 is characterized in that, this LCD also comprises:
One printed circuit board (PCB) is connected in described first flexible circuit board.
8. LCD as claimed in claim 5 is characterized in that, this LCD also comprises:
One printed circuit board (PCB) is connected in described first flexible circuit board and second flexible circuit board.
9. LCD as claimed in claim 6 is characterized in that, this LCD also comprises:
One printed circuit board (PCB) is connected in described second flexible circuit board.
10. a method of making LCD is characterized in that, this method comprises:
One first substrate is provided;
Form a zone of heating on this first substrate;
Form an insulation course on this zone of heating, and it has at least one first opening;
Form that all change element on described first substrate at least, and it has that a grid is connected in the one scan line, one source pole is connected in a data line, and a drain electrode;
Form at least one sweep trace contact mat on described insulation course, and be electrically connected at described sweep trace;
Form at least one data line contact mat on described insulation course, and be electrically connected at described data line;
Form at least one electric capacity on described insulation course;
Form at least one bridged electrodes in described first opening;
Cover at least one protective seam in described switching device and electric capacity, and it has a plurality of second openings, expose described sweep trace contact mat and described data line contact mat and bridged electrodes respectively; Wherein, this bridged electrodes and described sweep trace contact mat and described data line contact mat are electrically insulated;
Form at least one pixel electrode on described protective seam, and the drain electrode of this pixel electrode and described switching device electrically connects;
Be provided with one and have second substrate of a shared electrode on described first substrate; And
One liquid crystal layer is set between described first substrate and second substrate.
11. method as claimed in claim 10 is characterized in that, this method also comprises:
Form at least one sweep trace testing cushion on described insulation course, and be electrically connected at described sweep trace;
Form at least one data line testing cushion on described insulation course, and be electrically connected at described data line;
Wherein, described sweep trace testing cushion and described data line testing cushion and bridged electrodes are electrically insulated.
12. method as claimed in claim 11, it is characterized in that described bridged electrodes, described sweep trace contact mat, described data line contact mat, described sweep trace testing cushion and described data line testing cushion wherein at least one material are same as wherein at least one material of described sweep trace and data line.
13. method as claimed in claim 10 is characterized in that, this method also comprises:
One first flexible circuit board is set on described first substrate; And
At least one lead is set on this first substrate, so that described bridged electrodes and described first flexible circuit board are coupled together.
14. method as claimed in claim 10 is characterized in that, this method also comprises:
One first flexible circuit board is set on described first substrate; And
At least one second flexible circuit board is set on described bridged electrodes.
15. method as claimed in claim 14 is characterized in that, described second flexible circuit board is connected on described first flexible circuit board.
16. method as claimed in claim 13 is characterized in that, this method also comprises:
One printed circuit board (PCB) is provided, is connected in described first flexible circuit board.
17. method as claimed in claim 14 is characterized in that, this method also comprises:
One printed circuit board (PCB) is provided, is connected in described first flexible circuit board and second flexible circuit board.
18. method as claimed in claim 15 is characterized in that, this method also comprises:
One printed circuit board (PCB) is provided, is connected in described second flexible circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101391976A CN101551536B (en) | 2007-07-05 | 2007-07-05 | Liquid crystal display and production method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101391976A CN101551536B (en) | 2007-07-05 | 2007-07-05 | Liquid crystal display and production method |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007101282221A Division CN100507655C (en) | 2007-07-05 | 2007-07-05 | Liquid crystal display device and its manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101551536A CN101551536A (en) | 2009-10-07 |
| CN101551536B true CN101551536B (en) | 2010-07-07 |
Family
ID=41155861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101391976A Active CN101551536B (en) | 2007-07-05 | 2007-07-05 | Liquid crystal display and production method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101551536B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1519955A (en) * | 2003-02-03 | 2004-08-11 | ���ǵ�����ʽ���� | Thin film transistor array panel, its mfg. method and mask for such panel |
-
2007
- 2007-07-05 CN CN2009101391976A patent/CN101551536B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1519955A (en) * | 2003-02-03 | 2004-08-11 | ���ǵ�����ʽ���� | Thin film transistor array panel, its mfg. method and mask for such panel |
Non-Patent Citations (2)
| Title |
|---|
| JP特开2003-35897A 2003.02.07 |
| JP特开平5-196951A 1993.08.06 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101551536A (en) | 2009-10-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11714309B2 (en) | Display device | |
| CN102096532B (en) | Electrostatic capacitance-type input device and method of manufacturing thereof | |
| CN100412665C (en) | Liquid crystal display device and manufacturing method thereof | |
| US8994669B2 (en) | Display with in-cell touch sensor | |
| US11216099B2 (en) | Array substrate and manufacturing method thereof, display panel and display device | |
| US9933645B2 (en) | Array substrate, display panel, display device and manufacturing method thereof | |
| US7755738B2 (en) | Liquid crystal display having heating layer | |
| US9504155B2 (en) | Touch sensor built-in display device structure | |
| US11093068B2 (en) | Touch control array substrate and touch control display apparatus | |
| US20230080422A1 (en) | Display panel with narrow lower border and electronic device | |
| CN101153997A (en) | Liquid display device and manufacturing method thereof | |
| CN102854664A (en) | Image display system | |
| CN111897167B (en) | Array substrate, display panel and display device | |
| US20180083041A1 (en) | Tft substrate and manufacturing method thereof | |
| CN108257980A (en) | A kind of array substrate, display device | |
| CN100507655C (en) | Liquid crystal display device and its manufacturing method | |
| CN101592802A (en) | Liquid crystal display and manufacture method thereof | |
| CN110442255B (en) | Touch substrate and touch display device | |
| CN101276076B (en) | Film-chip complex, method of manufacturing film-chip complex and display device having the same | |
| US8581253B2 (en) | Display substrate and method of manufacturing the same | |
| US20140362303A1 (en) | Touch display panel and manufacturing method thereof | |
| CN101561609B (en) | Active array substrate, liquid crystal display panel and method for manufacturing active array substrate | |
| CN100492624C (en) | External pin structure, active part array base plate, photoelectric device and making method | |
| CN100444405C (en) | Double grid film electric crystal and pixel structure and its producing method | |
| CN101551536B (en) | Liquid crystal display and production method |
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 |