CN101556412B - Bidirectional visual array baseplate, color film baseplate, liquid crystal display device and manufacturing method - Google Patents
Bidirectional visual array baseplate, color film baseplate, liquid crystal display device and manufacturing method Download PDFInfo
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Abstract
The invention relates to a bidirectional visual array baseplate, a color film baseplate, a liquid crystal display device and a manufacturing method. The bidirectional visual liquid crystal display device comprises an array baseplate and a color film baseplate, wherein a plurality of rows of wedgy base films which are sequentially ranged are formed on the array baseplate, and pixel structures supplying two display pictures in two directions are respectively formed on two sloping surfaces of the wedgy base films; a plurality of rows of wedgy base films which are sequentially ranged are formed onthe color film baseplate, and color film structures corresponding to the pixel structures of the array baseplate are respectively formed on the two sloping surfaces of the wedgy base films; the wedgy base films on the array baseplate and the wedgy base films on the color film baseplate are combined into a case in a transplacement correspondence mode, and two electric fields in a visual direction are formed between the pixel structures on the array baseplate and the color film structures on the color film baseplate. The invention has higher optical efficiency and low cost and obviously improves image resolution and picture quality.
Description
Technical field
The present invention relates to a kind of Liquid crystal disply device and its preparation method, particularly a kind of bidirectional visual array baseplate, color membrane substrates, liquid crystal indicator and manufacture method.
Background technology
Thin-film transistor LCD device (Thin Film Transistor Liquid CrystalDisplay, be called for short TFT-LCD) have characteristics such as volume is little, low in energy consumption, radiationless, manufacturing cost is relatively low, occupied leading position in current panel display apparatus market.TFT-LCD also injects liquid crystal therein by array base palte and color membrane substrates (colored filter) to box and forms, array base palte comprises grid line and the data line that is formed on the substrate, data line is vertical with grid line, adjacent grid line and data line define a pixel region, and at infall formation TFT, TFT comprises gate electrode, gate insulation layer, active layer, source electrode, drain electrode and passivation layer, wherein gate electrode is connected with grid line, the source electrode is connected with data line, and the pixel electrode that is positioned at pixel region is connected with drain electrode by passivation layer via hole.Color membrane substrates comprises black matrix and the color resin (red resin, green resin or blue resins) that is formed on the substrate, and each color resin is corresponding to a pixel region.
In order to adapt to the fast-developing diversified market demand, began to occur a kind of bidirectional visual liquid crystal display device in recent years, this bidirectional visual liquid crystal display device can show different pictures with the right side fully independently to the left, makes spectators can see diverse image on the left side and the right side of display screen.At present, the technology of existing techniques in realizing bidirectional visual liquid crystal display device mainly comprises parallax barrier technology and lens light splitting technology.The parallax barrier technology is to utilize parallax barrier (Parallax Barrier) principle, on existing TFT-LCD, form controlled polarizing layer, by the optical modulation effect of controlled polarizing layer, form the slit of image projection, thus the bi-directional picture of two view directions about forming.The lens light splitting technology is to utilize beam splitting lens (Lenticular Lens) principle, additional controlled lens jacket on existing TFT-LCD, utilize the branch light action of controlled lens jacket, the image on the TFT-LCD is divided into two or more visual fields, thereby form two-way or multidirectional different pictures.
But, no matter be parallax barrier technology or lens light splitting technology, all there is certain technological deficiency.For example, two kinds of technology all need generate one group of controlled polarizing layer or controlled lens jacket on existing TFT-LCD, manufacturing cost height not only, and the brightness of TFT-LCD is obviously descended.And for example, the bidirectional visual liquid crystal display device of prior art is still used the production part of traditional color membrane substrates (colored filter) as colour element, each colour element is made of three sub-pixs of RGB, because two pictures about being divided into, the resolution that therefore causes each visual angle reality are half of original TFT-LCD resolution.
Summary of the invention
The purpose of this invention is to provide a kind of bidirectional visual array baseplate, color membrane substrates, liquid crystal indicator and manufacture method, technological deficiency such as effectively solve existing bidirectional visual liquid crystal display device cost height, brightness is low and resolution is low.
To achieve these goals, the invention provides a kind of bidirectional visual array baseplate, comprise substrate, be formed with the ordered series of numbers wedge shape basement membrane that is arranged in order on the described substrate, every row wedge shape basement membrane has first inclined surface and second inclined surface, be formed with the dot structure that first kind of display frame is provided to side top on described first inclined surface, be formed with the dot structure that second kind of display frame is provided to the opposite side top on described second inclined surface.
To achieve these goals, the invention provides a kind of bidirectional visual color membrane substrates, comprise substrate, be formed with the ordered series of numbers wedge shape basement membrane that is arranged in order on the described substrate, every row wedge shape basement membrane has first inclined surface and second inclined surface, be formed with the color membrane structure that display frame is provided to side top on described first inclined surface, be formed with the color membrane structure that display frame is provided to the opposite side top on described second inclined surface.
To achieve these goals, the invention provides a kind of bidirectional visual liquid crystal display device, comprise array base palte and color membrane substrates, be formed with the ordered series of numbers wedge shape basement membrane that is arranged in order on the described array base palte, be formed with the dot structure that two kinds of display frames are provided to two directions respectively on two inclined surfaces of wedge shape basement membrane; Be formed with the ordered series of numbers wedge shape basement membrane that is arranged in order on the described color membrane substrates, be formed with respectively on two inclined surfaces of wedge shape basement membrane and the corresponding color membrane structure of the dot structure of described array base palte; Wedge shape basement membrane on the array base palte and the wedge shape basement membrane on the color membrane substrates with the dislocation corresponded manner to box, between the color membrane structure on dot structure on the array base palte and the color membrane substrates, form the electric field of two view directions, be that first inclined surface on the described array base palte and first inclined surface on the described color membrane substrates be arranged in parallel, second inclined surface on the described array base palte and second inclined surface on the described color membrane substrates be arranged in parallel, form the electric field of two view directions between the public electrode on the pixel electrode on two inclined surfaces of described array base palte and two inclined surfaces of described color membrane substrates.
To achieve these goals, the present invention also provides a kind of bidirectional visual array baseplate manufacture method, comprising:
To achieve these goals, the present invention also provides a kind of bidirectional visual color membrane substrates manufacture method, comprising:
To achieve these goals, the present invention also provides a kind of bidirectional visual liquid crystal display device manufacture method, comprise: the preparation array base palte, be formed with the ordered series of numbers wedge shape basement membrane that is arranged in order on the described array base palte, every row wedge shape basement membrane has towards first inclined surface of side top and second inclined surface above opposite side, be formed with the dot structure that first kind of display frame is provided to side top on described first inclined surface, be formed with the dot structure that second kind of display frame is provided to the opposite side top on described second inclined surface; The preparation color membrane substrates, be formed with the ordered series of numbers wedge shape basement membrane that is arranged in order on the described color membrane substrates, every row wedge shape basement membrane has first inclined surface and second inclined surface, be formed with the color membrane structure that display frame is provided to side top on described first inclined surface, on described second inclined surface, be formed with the color membrane structure that display frame is provided above opposite side; With described array base palte and color membrane substrates with the dislocation corresponded manner to box, be that first inclined surface on the described array base palte and first inclined surface on the described color membrane substrates be arranged in parallel, second inclined surface on the described array base palte and second inclined surface on the described color membrane substrates be arranged in parallel, form the electric field of two view directions between the public electrode on the pixel electrode on two inclined surfaces of described array base palte and two inclined surfaces of described color membrane substrates.
The present invention proposes a kind of bidirectional visual bidirectional visual array baseplate, color membrane substrates, liquid crystal indicator and manufacture method, by on substrate, forming the wedge shape basement membrane, directly on the wedge shape basement membrane, form dot structure and color membrane structure, to box, and form coloured image with the dislocation corresponded manner by the field sequential color technology.Compare with the bidirectional visual liquid crystal display device of prior art, bidirectional visual liquid crystal display device of the present invention does not need additional in addition covering and light-operated parts on the one hand, therefore optical efficiency is higher than the bidirectional visual liquid crystal display device that prior art adopts parallax barrier technology or lens light splitting technology, and cost is low, bidirectional visual liquid crystal display device of the present invention is on the other hand by adopting the field sequential color technology, on the basis of identical array integration density, the resolution of bi-directional picture adopts the resolution of the bidirectional visual liquid crystal display device of traditional color filter to improve twice than prior art, obviously improved the resolution and the picture quality of image.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Description of drawings
Fig. 1 is the structural representation of bidirectional visual array baseplate first embodiment of the present invention;
Fig. 2 is the enlarged drawing at A place among Fig. 1;
Fig. 3 be among Fig. 2 B-B to cut-open view;
Fig. 4 is the structural representation of bidirectional visual array baseplate second embodiment of the present invention;
Fig. 5 is the enlarged drawing at C place among Fig. 4;
Fig. 6 is the structural representation of bidirectional visual color membrane substrates of the present invention;
Fig. 7 be among Fig. 6 D-D to sectional view;
Fig. 8 is the structural representation of bidirectional visual liquid crystal display device of the present invention;
Fig. 9 is array base palte of the present invention and the color membrane substrates synoptic diagram to box;
Figure 10 is the work synoptic diagram of bidirectional visual liquid crystal display device of the present invention;
Figure 11 is the process flow diagram of bidirectional visual array baseplate manufacture method of the present invention;
Figure 12 is for forming the process flow diagram of wedge shape basement membrane in the bidirectional visual array baseplate manufacture method of the present invention;
Figure 13 a～Figure 13 d is for forming the synoptic diagram of wedge shape basement membrane in the bidirectional visual array baseplate manufacture method of the present invention;
Figure 14 is for forming the process flow diagram of dot structure first embodiment in the bidirectional visual array baseplate manufacture method of the present invention;
Figure 15 is for forming the process flow diagram of dot structure second embodiment in the bidirectional visual array baseplate manufacture method of the present invention;
Figure 16 is the process flow diagram of bidirectional visual color membrane substrates manufacture method of the present invention;
Figure 17 is for forming the process flow diagram of color membrane structure in the bidirectional visual color membrane substrates manufacture method of the present invention;
Figure 18 is the process flow diagram of bidirectional visual liquid crystal display device manufacture method of the present invention.
Description of reference numerals:
The 1-substrate; The 2-grid line; 2a-first grid line;
2b-second grid line; The 3-data line; 3a-first data line;
3b-second data line; 4a-first pixel electrode; 4b-second pixel electrode;
5-deceives matrix; The 6-transparent resin; The 7-public electrode;
11-wedge shape basement membrane; 11a-first inclined surface; 11b-second inclined surface;
The 10-array base palte; The 20-color membrane substrates; The 30-polaroid;
The 40-backlight; 50-light; The transparent basement membrane of 101-;
The 102-photoresist; 103-photoresist figure.
Embodiment
Fig. 1 is the structural representation of bidirectional visual array baseplate first embodiment of the present invention, and Fig. 2 is the enlarged drawing at A place among Fig. 1, Fig. 3 be among Fig. 2 B-B to cut-open view.As Fig. 1, Fig. 2 and shown in Figure 3, the present embodiment bidirectional visual array baseplate comprises substrate 1 (as glass substrate or quartz base plate), be formed with the ordered series of numbers wedge shape basement membrane 11 that is arranged in order on the substrate 1, the xsect of every row wedge shape basement membrane 11 be trapezoidal, triangle, with trapezoidal or triangular shaped similar shape, every row wedge shape basement membrane 11 is formed with respectively towards the first inclined surface 11a of side top (as the upper left side) with towards the second inclined surface 11b of opposite side top (as the upper right side).
Be formed with number row grid line 2 and the ordered series of numbers first data line 3a on the first inclined surface 11a, number row grid line 2 and the ordered series of numbers first data line 3a limit several pixel regions, each pixel region is provided with towards the upper left first pixel electrode 4a, and the infall of every capable grid line 2 and every row first data line 3a forms a TFT.In the present embodiment, the one TFT is a traditional structure, comprise the grid that is formed on the first inclined surface 11a, be formed on the grid and cover the gate insulation layer of the whole first inclined surface 11a, be formed on the gate insulation layer and be positioned at semiconductor layer and doping semiconductor layer on the grid, be formed on source electrode and drain electrode on the doping semiconductor layer, form the TFT raceway groove between source electrode and the drain electrode, be formed on source electrode and the drain electrode and cover the passivation layer of the whole first inclined surface 11a, and form passivation layer via hole in the drain electrode position.Wherein the grid of a TFT is connected with grid line 2, and the source electrode is connected with the first data line 3a, and drain electrode is connected with the first pixel electrode 4a by passivation layer via hole, thereby realizes providing to the upper left side dot structure of first kind of display frame.Be formed with number row grid line 2 and the ordered series of numbers second data line 3b on the second inclined surface 11b, number row grid line 2 and the ordered series of numbers second data line 3b limit several pixel regions, each pixel region is provided with towards the top-right second pixel electrode 4b, and the infall of every capable grid line 2 and every row second data line 3b forms the 2nd TFT.In the present embodiment, the 2nd TFT is a traditional structure, comprise the grid that is formed on the second inclined surface 11b, be formed on the grid and cover the gate insulation layer of the whole second inclined surface 11b, be formed on the gate insulation layer and be positioned at semiconductor layer and doping semiconductor layer on the grid, be formed on source electrode and drain electrode on the doping semiconductor layer, form the TFT raceway groove between source electrode and the drain electrode, be formed on source electrode and the drain electrode and cover the passivation layer of the whole second inclined surface 11b, and form passivation layer via hole in the drain electrode position.Wherein the grid of the 2nd TFT is connected with grid line 2, and the source electrode is connected with the second data line 3b, and drain electrode is connected with the second pixel electrode 4b by passivation layer via hole, thereby realizes providing to the upper right side dot structure of second kind of display frame.
In the present embodiment, for identical pixel column, grid line on the grid line on the first inclined surface 11a and the second inclined surface 11b is structure as a whole, it is the shared same grid line of same pixel row, open together, and the first inclined surface 11a goes up the formation first data line 3a, the second inclined surface 11b goes up and forms the second data line 3b, the adjacent pixels row connect different data lines, receive different data voltages constantly respectively.When certain delegation's grid line was opened, the first data line 3a realized providing a kind of display frame to the upper left side to first kind of data of first pixel electrode 4a input; Subsequently, the second data line 3b realizes providing another kind of different display frame to the upper right side to second kind of data of second pixel electrode 4b input.
Fig. 4 is the structural representation of bidirectional visual array baseplate second embodiment of the present invention, and Fig. 5 is the enlarged drawing at C place among Fig. 4.As shown in Figure 4 and Figure 5, the present embodiment bidirectional visual array baseplate comprises substrate (as glass substrate or quartz base plate), be formed with the ordered series of numbers wedge shape basement membrane that is arranged in order on the substrate, the xsect of every row wedge shape basement membrane be trapezoidal, triangle, with shape trapezoidal or that triangle is similar, every row wedge shape basement membrane is formed with respectively towards the first inclined surface 11a of side top (as the upper left side) with towards the second inclined surface 11b of opposite side top (as the upper right side).
Be formed with several row first grid line 2a and ordered series of numbers data line 3 on the first inclined surface 11a, number row first grid line 2a and ordered series of numbers data line 3 limit several pixel regions, each pixel region is provided with towards the upper left first pixel electrode 4a, and the infall of every row first grid line 2a and every column data line 3 forms a TFT.In the present embodiment, the one TFT is a traditional structure, comprise grid, gate insulation layer, semiconductor layer, doping semiconductor layer, source electrode, drain electrode and passivation layer, the grid of the one TFT is connected with the first grid line 2a, the source electrode is connected with data line 3, drain electrode is connected with the first pixel electrode 4a by passivation layer via hole, thereby realizes providing to the upper left side dot structure of first kind of display frame.Be formed with several row second grid line 2b and ordered series of numbers data line 3 on the second inclined surface 11b, number row second grid line 2b and ordered series of numbers data line 3 limit several pixel regions, each pixel region is provided with towards the top-right second pixel electrode 4b, and the infall of every row second grid line 2b and every column data line 3 forms the 2nd TFT.In the present embodiment, the 2nd TFT is a traditional structure, comprise grid, gate insulation layer, semiconductor layer, doping semiconductor layer, source electrode, drain electrode and passivation layer, the grid of the 2nd TFT is connected with the second grid line 2b, the source electrode is connected with data line 3, drain electrode is connected with the second pixel electrode 4b by passivation layer via hole, thereby realizes providing to the upper right side dot structure of second kind of display frame.
In the present embodiment, for identical pixel column, the first inclined surface 11a goes up and adopts the first grid line 2a, the second inclined surface 11b goes up and adopts the second grid line 2b, the first grid line 2a and the second grid line 2b open successively, and the first pixel electrode 4a on the first adjacent inclined surface 11a is connected with same data line 3 with the second pixel electrode 4b on the second inclined surface 11b, and promptly adjacent pixels is listed as shared same data line 3, and data line 3 sends different data voltages successively.At first the first grid line 2a opens, and data line 3 is realized providing a kind of display frame to the upper left side to first kind of data of first pixel electrode 4a input; The second grid line 2b opens subsequently, and data line 3 is realized providing another kind of different display frame to the upper right side, thereby realized providing two kinds of different display frames successively to upper left side and upper right side to second kind of data of second pixel electrode 4b input.
In the bidirectional visual array baseplate of the present invention, the wedge shape basement membrane is a transparent material, for example yttria or aluminium nitride.Can light shield layer be set on the top of each wedge shape basement membrane, also can between adjacent wedge shape basement membrane, light shield layer be set, can also between the top of each wedge shape basement membrane and adjacent wedge shape basement membrane, light shield layer be set all, be used to prevent that light from spilling.
Fig. 6 is the structural representation of bidirectional visual color membrane substrates of the present invention, Fig. 7 be among Fig. 6 D-D to sectional view.As shown in Figure 6 and Figure 7, present embodiment bidirectional visual color membrane substrates comprises substrate 1 (as glass substrate or quartz base plate), be formed with the ordered series of numbers wedge shape basement membrane 11 that is arranged in order on the substrate 1, the xsect of every row wedge shape basement membrane 11 be trapezoidal, triangle, with shape trapezoidal or that triangle is similar, every row wedge shape basement membrane forms the first inclined surface 11a and the second inclined surface 11b respectively.Be formed with black matrix 5 and transparent resin 6 on the first inclined surface 11a and the second inclined surface 11b respectively as color membrane structure, black matrix 5 is arranged between the adjacent transparent resin 6,7 of public electrodes are formed on black matrix 5 and the transparent resin 6, make the first inclined surface 11a provide display frame to the top of a side, the second inclined surface 11b can provide display frame to the top of opposite side.
In the bidirectional visual color membrane substrates of the present invention, the wedge shape basement membrane is a transparent material, for example yttria or aluminium nitride, black matrix can be set on the top of each wedge shape basement membrane, also can between adjacent wedge shape basement membrane, black matrix be set, can also between the top of each wedge shape basement membrane and adjacent wedge shape basement membrane, black matrix be set all, be used to prevent that light from spilling.
Fig. 8 is the structural representation of bidirectional visual liquid crystal display device of the present invention, and Fig. 9 is array base palte of the present invention and the color membrane substrates synoptic diagram to box.As Fig. 8, shown in Figure 9, bidirectional visual liquid crystal display device of the present invention comprises box array base palte 10 and color membrane substrates 20 together, the outside surface of array base palte 10 and color membrane substrates 20 is pasted with polaroid 30, backlight 40 is arranged on the below of array base palte 10, wherein, array base palte 10 has earlier figures 1～structure shown in Figure 5, color membrane substrates 20 has earlier figures 6～structure shown in Figure 7, array base palte 10 and color membrane substrates 20 with the dislocation corresponded manner to box, be that first inclined surface on the array base palte 10 and first inclined surface on the color membrane substrates 20 be arranged in parallel, second inclined surface on the array base palte 10 and second inclined surface on the color membrane substrates 20 be arranged in parallel, the electric field of two view directions about forming between the public electrode on the pixel electrode on 10 2 inclined surfaces of array base palte and 20 2 inclined surfaces of color membrane substrates, by the different pieces of information that data line transmits, adopt the demonstration time of two display frames about circuit control.Backlight 40 realizes to two view directions display frames the present invention for adopting the RGB-LED backlight of field sequential color (FieldSequential Color is called for short FSC) technology.
Figure 10 is the work synoptic diagram of bidirectional visual liquid crystal display device of the present invention, the course of work of bidirectional visual liquid crystal display device of the present invention is: at first, provide light source by backlight, light 50 enters first pixel electrode and second pixel electrode that arrives behind the wedge shape basement membrane of array base palte 10 about the wedge shape basement membrane on two inclined surfaces, inject liquid crystal layer by first pixel electrode and second pixel electrode, controlled deflection in the electric field that liquid crystal molecule in the liquid crystal layer forms between the public electrode of the pixel electrode of array base palte 10 and color membrane substrates 20, transmission is gone out light 50 enters the wedge shape basement membrane of color membrane substrates 20 after liquid crystal molecule polarization after, enters eyes formation image.
Structure at bidirectional visual array baseplate first embodiment of the present invention, when bidirectional visual liquid crystal display device of the present invention is worked, grid line on the array base palte 10 is opened TFT on the first inclined surface 11a and the 2nd TFT on the second inclined surface 11b simultaneously, but owing to have only the data of last first data line of the first inclined surface 11a effective this moment, therefore have only first pixel electrode on the first inclined surface 11a to produce the electric field that makes liquid crystal deflecting element, light only penetrates from this side of the first inclined surface 11a; Next, the data of last second data line of the second inclined surface 11b are effective, therefore have only second pixel electrode on the second inclined surface 11b to produce the electric field that makes liquid crystal deflecting element, and light only penetrates from this side of the second inclined surface 11b.This working method of the present invention can guarantee that light does not influence each other and interferes in the wedge shape basement membrane of color membrane substrates 20.
Structure at bidirectional visual array baseplate second embodiment of the present invention, when bidirectional visual liquid crystal display device of the present invention is worked, at first the first grid line 2a on the array base palte 10 opens the TFT on the first inclined surface 11a, the first pixel electrode input of the data of data line on the first inclined surface 11a, therefore have only first pixel electrode on the first inclined surface 11a to produce the electric field that makes liquid crystal deflecting element, light only penetrates from this side of the first inclined surface 11a; Next, the second grid line 2b opens the 2nd TFT on the second inclined surface 11b, the second pixel electrode input of the data of data line on the second inclined surface 11b, therefore have only second pixel electrode on the second inclined surface 11b to produce the electric field that makes liquid crystal deflecting element, light only penetrates from this side of the second inclined surface 11b.This working method of the present invention can guarantee that equally light does not influence each other and interferes in the wedge shape basement membrane of color membrane substrates 20.
The field sequential color technology is according to the red, green, blue optics principle of three primary colours, and three primary colours are projected the same area by a certain percentage in turn, and it is the same that the color vision of generation and three primary colours are directly mixed, and presents colourful display frame before human eye.Technique scheme of the present invention only need adopt the commercial sequential colorization technology of prior art to realize, repeats no more here.
In technique scheme of the present invention, also be provided with black matrix 5 on the platform of between 20 two adjacent wedge shape basement membranes of color membrane substrates and each wedge shape basement membrane end, be used to prevent that light from spilling, further, also light shield layer can be set on the platform of each wedge shape basement membrane end of array base palte 10.
Bidirectional visual liquid crystal display device of the present invention directly forms dot structure and color membrane structure by form the wedge shape basement membrane on substrate on the wedge shape basement membrane, to box, and form coloured image by the field sequential color technology with the dislocation corresponded manner.Compare with the bidirectional visual liquid crystal display device of prior art, bidirectional visual liquid crystal display device of the present invention does not need additional in addition covering and light-operated parts on the one hand, therefore optical efficiency is higher than the bidirectional visual liquid crystal display device that prior art adopts parallax barrier technology or lens light splitting technology to make, and cost is low, bidirectional visual liquid crystal display device of the present invention on the other hand is by adopting the field sequential color technology, on the basis of identical array integration density, the resolution of bi-directional picture adopts the resolution of traditional color filter bidirectional visual liquid crystal display device to improve twice than prior art, has obviously improved the resolution and the picture quality of image.
Figure 11 is the process flow diagram of bidirectional visual array baseplate manufacture method of the present invention, specifically comprises:
Figure 12 specifically comprises for forming the process flow diagram of wedge shape basement membrane in the bidirectional visual array baseplate manufacture method of the present invention:
Figure 13 a～Figure 13 d is for forming the synoptic diagram of wedge shape basement membrane in the bidirectional visual array baseplate manufacture method of the present invention.At first go up coating layer of transparent basement membrane 101, on transparent basement membrane 101, apply one deck photoresist 102 after cleaning up, shown in Figure 13 a at substrate 1 (as glass substrate or quartz base plate); Afterwards according to parameters such as the requirement of pixel resolution and visible angles, adopt the mask plate of design in advance that photoresist 102 is exposed, remove the photoresist of exposure by development treatment, on transparent basement membrane 101, form ordered series of numbers photoresist figure 103, shown in Figure 13 b; Pixel resolution requires to be used for determining the columns of wedge shape basement membrane, and parameters such as visible angle are used to determine the angle of inclination of two inclined surfaces about the wedge shape basement membrane, and the angle of inclination of inclined surface is relevant with the applied thickness and the exposure intensity of transparent basement membrane; Can form the part (bottom of wedge shape basement membrane both sides inclined surface) of wedge shape basement membrane figure at last by etching technics, shown in Figure 13 c.Subsequently, finish on the basis of aforementioned flow process, again apply technologies such as photoresist, resist exposure, development treatment and etching and can form another part (top of wedge shape basement membrane both sides inclined surface) of wedge shape basement membrane figure, thereby all finish the ordered series of numbers wedge shape basement membrane 11 that is arranged in order, be formed with the first inclined surface 11a and the second inclined surface 11b above opposite side on every row wedge shape basement membrane respectively, shown in Figure 13 d towards side top.Above-mentioned secondarily etched process only has been described, also can have adopted the multiple etching process, repeated no more.The formation of wedge shape basement membrane of the present invention has utilized the part light transmission of exposure sources grating, can the mode of transparent epilamellar photoresist through repeatedly not exclusively exposing will be coated in, determine the correlation parameter of inclined surface earlier, determine the thickness of transparent basement membrane then according to these parameters, determine exposure frequency, exposure and mask graph at last.This method is to utilize the resolution limit of optical system, being lower than the following figure of resolution can't be replicated on the substrate by clear, but by interference, the diffraction of the figure below the recognition resolution, corresponding can the realization, thereby the inclined surface of formation wedge shape basement membrane to light exposure control.In actual production, the cross sectional shape of wedge shape basement membrane 11 is not trapezoidal completely or triangle, considers the feasibility of technology, and the actual cross-section shape of wedge shape basement membrane 11 is trapezoidal, promptly has a chain-wales in the upper end of wedge shape basement membrane 11.
In the technical scheme of bidirectional visual array baseplate manufacture method of the present invention, step 12 is actually the preparation flow that tradition forms the array structure layer, the 2nd TFT structure that forms on a TFT who forms on first inclined surface and second inclined surface is basic identical, just connect different grid lines or data line, illustrated respectively below.In the following description, the alleged composition technology of the present invention comprises technologies such as photoresist coating, mask, exposure, etching.
Figure 14 specifically comprises for forming the process flow diagram of dot structure first embodiment in the bidirectional visual array baseplate manufacture method of the present invention:
Figure 15 specifically comprises for forming the process flow diagram of dot structure second embodiment in the bidirectional visual array baseplate manufacture method of the present invention:
In the technique scheme of the present invention, the wedge shape basement membrane is a transparent material, for example yttria or aluminium nitride, can form light shield layer on the top of each wedge shape basement membrane, also can between adjacent wedge shape basement membrane, form light shield layer, can also between the top of each wedge shape basement membrane and adjacent wedge shape basement membrane, all form light shield layer, be used to prevent that light from spilling.
Figure 16 is the process flow diagram of bidirectional visual color membrane substrates manufacture method of the present invention, specifically comprises:
The flow process that forms the wedge shape basement membrane in the bidirectional visual color membrane substrates manufacture method of the present invention repeats no more referring to shown in Figure 12 and Figure 13 a～Figure 13 d.
Figure 17 specifically comprises for forming the process flow diagram of color membrane structure in the bidirectional visual color membrane substrates manufacture method of the present invention:
In the technical scheme of bidirectional visual color membrane substrates manufacture method of the present invention, step 22 is actually the preparation flow that tradition forms color membrane structure layer, and the color membrane structure that forms on first inclined surface and second inclined surface is identical, repeats no more.In the technique scheme of the present invention, the wedge shape basement membrane is a transparent material, for example yttria or aluminium nitride, can form black matrix on the top of each wedge shape basement membrane, also can between adjacent wedge shape basement membrane, form black matrix, can also between the top of each wedge shape basement membrane and adjacent wedge shape basement membrane, all form black matrix, be used to prevent that light from spilling.
Figure 18 is the process flow diagram of bidirectional visual liquid crystal display device manufacture method of the present invention, specifically comprises:
The preparation array base palte, be formed with the ordered series of numbers wedge shape basement membrane that is arranged in order on the described array base palte, every row wedge shape basement membrane has towards first inclined surface of side top and second inclined surface above opposite side, be formed with the dot structure that first kind of display frame is provided to side top on described first inclined surface, be formed with the dot structure that second kind of display frame is provided to the opposite side top on described second inclined surface;
The preparation color membrane substrates, be formed with the ordered series of numbers wedge shape basement membrane that is arranged in order on the described color membrane substrates, every row wedge shape basement membrane has first inclined surface and second inclined surface, be formed with the color membrane structure that display frame is provided to side top on described first inclined surface, on described second inclined surface, be formed with the color membrane structure that display frame is provided above opposite side;
With described array base palte and color membrane substrates with the dislocation corresponded manner to box, be that first inclined surface on the described array base palte and first inclined surface on the described color membrane substrates be arranged in parallel, second inclined surface on the described array base palte and second inclined surface on the described color membrane substrates be arranged in parallel, form the electric field of two view directions between the public electrode on the pixel electrode on two inclined surfaces of described array base palte and two inclined surfaces of described color membrane substrates.
In the technique scheme of the present invention, at first prepare array base palte and color membrane substrates, then with the dislocation corresponded manner to box, the order that wherein prepares array base palte and color membrane substrates also can be first preparation color membrane substrates, prepares array base palte again.At last, attach polaroid in the outside of array base palte and color membrane substrates, and the backlight that adopts the field sequential color technology is set, finally finish bidirectional visual liquid crystal display device of the present invention.
Bidirectional visual liquid crystal display device manufacture method of the present invention directly forms dot structure and color membrane structure by form the wedge shape basement membrane on substrate on the wedge shape basement membrane, to box, and form coloured image by the field sequential color technology with the dislocation corresponded manner.Bidirectional visual liquid crystal display device manufacture method of the present invention has improved optical efficiency on the one hand, and cost is low, has improved resolution on the other hand, has obviously improved picture quality.
It should be noted that at last: above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not break away from the spirit and scope of technical solution of the present invention.
Claims (24)
1. bidirectional visual array baseplate, comprise substrate, it is characterized in that, be formed with the ordered series of numbers wedge shape basement membrane that is arranged in order on the described substrate, every row wedge shape basement membrane has first inclined surface and second inclined surface, be formed with the dot structure that first kind of display frame is provided to side top on described first inclined surface, be formed with the dot structure that second kind of display frame is provided to the opposite side top on described second inclined surface.
2. bidirectional visual array baseplate according to claim 1, it is characterized in that, be formed with the grid line and first data line on described first inclined surface, be provided with first pixel electrode towards side top in the pixel region that the grid line and first data line limit, the infall of the grid line and first data line forms a TFT; Be formed with the grid line and second data line on described second inclined surface, be provided with second pixel electrode towards the opposite side top in the pixel region that the grid line and second data line limit, the infall of the grid line and second data line forms the 2nd TFT.
3. bidirectional visual array baseplate according to claim 2 is characterized in that the grid of a described TFT is connected with grid line, and the source electrode is connected with first data line, and drain electrode is connected with first pixel electrode; The grid of described the 2nd TFT is connected with grid line, and the source electrode is connected with second data line, and drain electrode is connected with second pixel electrode.
4. bidirectional visual array baseplate according to claim 1, it is characterized in that, be formed with first grid line and data line on described first inclined surface, be provided with first pixel electrode towards side top in the pixel region that first grid line and data line limit, the infall of first grid line and data line forms a TFT; Be formed with second grid line and data line on described second inclined surface, be provided with second pixel electrode towards the opposite side top in the pixel region that second grid line and data line limit, the infall of second grid line and data line forms the 2nd TFT.
5. bidirectional visual array baseplate according to claim 4 is characterized in that, the grid of a described TFT is connected with first grid line, and the source electrode is connected with data line, and drain electrode is connected with first pixel electrode; The grid of described the 2nd TFT is connected with second grid line, and the source electrode is connected with data line, and drain electrode is connected with second pixel electrode.
6. according to the described bidirectional visual array baseplate of arbitrary claim in the claim 1～5, it is characterized in that the xsect of described wedge shape basement membrane is trapezoidal or triangle.
7. bidirectional visual array baseplate according to claim 6 is characterized in that, is provided with light shield layer between the top of described wedge shape basement membrane and/or the adjacent wedge shape basement membrane.
8. bidirectional visual color membrane substrates, comprise substrate, it is characterized in that, be formed with the ordered series of numbers wedge shape basement membrane that is arranged in order on the described substrate, every row wedge shape basement membrane has first inclined surface and second inclined surface, be formed with the color membrane structure that display frame is provided to side top on described first inclined surface, be formed with the color membrane structure that display frame is provided to the opposite side top on described second inclined surface.
9. bidirectional visual color membrane substrates according to claim 8, it is characterized in that, color membrane structure on described first inclined surface and second inclined surface comprises black matrix, transparent resin and public electrode, described black arranged in matrix is between adjacent transparent resin, and described public electrode is arranged on described black matrix and the transparent resin.
10. according to Claim 8 or 9 described bidirectional visual color membrane substrates, it is characterized in that the xsect of described wedge shape basement membrane is trapezoidal or triangle.
11. bidirectional visual color membrane substrates according to claim 10 is characterized in that, is provided with black matrix between the top of described wedge shape basement membrane and/or the adjacent wedge shape basement membrane.
12. bidirectional visual liquid crystal display device, comprise array base palte and color membrane substrates, it is characterized in that, be formed with the ordered series of numbers wedge shape basement membrane that is arranged in order on the described array base palte, be formed with the dot structure that two kinds of display frames are provided to two directions respectively on two inclined surfaces of wedge shape basement membrane; Be formed with the ordered series of numbers wedge shape basement membrane that is arranged in order on the described color membrane substrates, be formed with respectively on two inclined surfaces of wedge shape basement membrane and the corresponding color membrane structure of the dot structure of described array base palte; Wedge shape basement membrane on the array base palte and the wedge shape basement membrane on the color membrane substrates with the dislocation corresponded manner to box, between the color membrane structure on dot structure on the array base palte and the color membrane substrates, form the electric field of two view directions, be that first inclined surface on the described array base palte and first inclined surface on the described color membrane substrates be arranged in parallel, second inclined surface on the described array base palte and second inclined surface on the described color membrane substrates be arranged in parallel, form the electric field of two view directions between the public electrode on the pixel electrode on two inclined surfaces of described array base palte and two inclined surfaces of described color membrane substrates.
13. bidirectional visual liquid crystal display device according to claim 12, it is characterized in that, wedge shape basement membrane on the described array base palte has towards first inclined surface of side top and second inclined surface above opposite side, be formed with the grid line and first data line on described first inclined surface, be provided with first pixel electrode towards side top in the pixel region that the grid line and first data line limit, the infall of the grid line and first data line forms a TFT; Be formed with the grid line and second data line on described second inclined surface, be provided with second pixel electrode towards the opposite side top in the pixel region that the grid line and second data line limit, the infall of the grid line and second data line forms the 2nd TFT.
14. bidirectional visual liquid crystal display device according to claim 12, it is characterized in that, wedge shape basement membrane on the described array base palte has towards first inclined surface of side top and second inclined surface above opposite side, be formed with first grid line and data line on described first inclined surface, be provided with first pixel electrode towards side top in the pixel region that first grid line and data line limit, the infall of first grid line and data line forms a TFT; Be formed with second grid line and data line on described second inclined surface, be provided with second pixel electrode towards the opposite side top in the pixel region that second grid line and data line limit, the infall of second grid line and data line forms the 2nd TFT.
15. bidirectional visual liquid crystal display device according to claim 12, it is characterized in that, the wedge shape basement membrane of described color membrane substrates has first inclined surface and second inclined surface, be formed with black matrix, transparent resin and public electrode on described first inclined surface and second inclined surface, described black arranged in matrix is between adjacent transparent resin, and described public electrode is arranged on described black matrix and the transparent resin.
16., it is characterized in that the outside of described array base palte also is provided with the backlight that adopts the field sequential color technology that color light source is provided according to the described bidirectional visual liquid crystal display device of arbitrary claim in the claim 12～15.
17. the manufacture method of a bidirectional visual array baseplate comprises:
Step 11, the ordered series of numbers wedge shape basement membrane that formation is arranged in order on substrate, every row wedge shape basement membrane have towards first inclined surface of side top and second inclined surface above opposite side;
Step 12, forming the dot structure that first kind of display frame is provided on first inclined surface above a side, on second inclined surface, forming the dot structure that second kind of display frame is provided above opposite side.
18. the manufacture method of bidirectional visual array baseplate according to claim 17 is characterized in that, described step 11 specifically comprises:
Step 111, on substrate coating layer of transparent basement membrane;
Step 112, on described transparent basement membrane coating one deck photoresist;
Step 113, employing mask plate form ordered series of numbers photoresist figure to described resist exposure by developing process on described transparent basement membrane;
Step 114, by the described transparent basement membrane of etching technics etching, form the ordered series of numbers wedge shape basement membrane that is arranged in order, every row wedge shape basement membrane has towards first inclined surface of side top with towards second inclined surface of opposite side top.
19. the manufacture method according to claim 17 or 18 described bidirectional visual array baseplate is characterized in that, described step 12 specifically comprises:
Step 1211, on the substrate that has prepared the wedge shape basement membrane deposition one deck grid metallic film, form gate electrode and grid line respectively by composition technology on first inclined surface and second inclined surface, wherein grid line on first inclined surface and the grid line on second inclined surface are structure as a whole;
Step 1212, on the substrate of completing steps 1211 successive sedimentation gate insulation layer and active layer, above the gate electrode of first inclined surface, form active layer pattern respectively by composition technology, above the gate electrode of second inclined surface, form active layer pattern;
Step 1213, metallic film is leaked in deposition one deck source on the substrate of completing steps 1212, on first inclined surface, form first data line, source electrode and drain electrode figure by composition technology, on second inclined surface, form second data line, source electrode and drain electrode figure, data line on each inclined surface is connected with source electrode on this inclined surface, forms the TFT raceway groove between source electrode on each inclined surface and the drain electrode;
Step 1214, on the substrate of completing steps 1213 deposition one deck passivation layer, above the drain electrode of first inclined surface, form passivation layer via hole by composition technology, above the drain electrode of second inclined surface, form passivation layer via hole;
Step 1215, on the substrate of completing steps 1214 deposition one deck pixel electrode layer, by composition technology at first pixel electrode that forms on first inclined surface above a side, form second pixel electrode above opposite side on second inclined surface, the pixel electrode on each inclined surface is connected with drain electrode on this inclined surface by the passivation layer via hole on this inclined surface.
20. the manufacture method according to claim 17 or 18 described bidirectional visual array baseplate is characterized in that, described step 12 specifically comprises:
Step 1221, on the substrate that has prepared the wedge shape basement membrane deposition one deck grid metallic film, on first inclined surface, forms the gate electrode and first grid line by composition technology, the formation gate electrode and second grid line on second inclined surface;
Step 1222, on the substrate of completing steps 1221 successive sedimentation gate insulation layer and active layer, above the gate electrode of first inclined surface, form active layer pattern respectively by composition technology, above the gate electrode of second inclined surface, form active layer pattern;
Step 1223, metallic film is leaked in deposition one deck source on the substrate of completing steps 1222, on first inclined surface and second inclined surface, form data line, source electrode and drain electrode figure respectively by composition technology, data line on each inclined surface is connected with source electrode on this inclined surface, form the TFT raceway groove between source electrode on each inclined surface and the drain electrode, wherein data line on first inclined surface and the data line on second inclined surface are structure as a whole;
Step 1224, on the substrate of completing steps 1223 deposition one deck passivation layer, above the drain electrode of first inclined surface, form passivation layer via hole by composition technology, above the drain electrode of second inclined surface, form passivation layer via hole;
Step 1225, on the substrate of completing steps 1224 deposition one deck pixel electrode layer, by composition technology at first pixel electrode that forms on first inclined surface above a side, form second pixel electrode above opposite side on second inclined surface, the pixel electrode on each inclined surface is connected with drain electrode on this inclined surface by the passivation layer via hole on this inclined surface.
21. the manufacture method of a bidirectional visual color membrane substrates comprises:
Step 21, the ordered series of numbers wedge shape basement membrane that formation is arranged in order on substrate, every row wedge shape basement membrane has first inclined surface and second inclined surface;
Step 22, on described first inclined surface, form the color membrane structure that display frame is provided above a side, on described second inclined surface, form the color membrane structure that display frame is provided above opposite side.
22. the manufacture method of bidirectional visual color membrane substrates according to claim 21 is characterized in that, described step 21 specifically comprises:
Step 211, on substrate coating layer of transparent basement membrane;
Step 212, on described transparent basement membrane coating one deck photoresist;
Step 213, employing mask plate form ordered series of numbers photoresist figure to described resist exposure by developing process on described transparent basement membrane;
Step 214, by the described transparent basement membrane of etching technics etching, form the ordered series of numbers wedge shape basement membrane that is arranged in order, every row wedge shape basement membrane has towards first inclined surface of side top with towards second inclined surface of opposite side top.
23. the manufacture method according to claim 21 or 22 described bidirectional visual color membrane substrates is characterized in that, described step 22 specifically comprises:
Step 221, on the substrate that has prepared the wedge shape basement membrane, form black matrix figure and transparent resin figure by composition technology;
Step 222, on the substrate of completing steps 221, form public electrode.
24. the manufacture method of a bidirectional visual liquid crystal display device comprises:
The preparation array base palte, be formed with the ordered series of numbers wedge shape basement membrane that is arranged in order on the described array base palte, every row wedge shape basement membrane has towards first inclined surface of side top and second inclined surface above opposite side, be formed with the dot structure that first kind of display frame is provided to side top on described first inclined surface, be formed with the dot structure that second kind of display frame is provided to the opposite side top on described second inclined surface;
The preparation color membrane substrates, be formed with the ordered series of numbers wedge shape basement membrane that is arranged in order on the described color membrane substrates, every row wedge shape basement membrane has first inclined surface and second inclined surface, be formed with the color membrane structure that display frame is provided to side top on described first inclined surface, on described second inclined surface, be formed with the color membrane structure that display frame is provided above opposite side;
With described array base palte and color membrane substrates with the dislocation corresponded manner to box, be that first inclined surface on the described array base palte and first inclined surface on the described color membrane substrates be arranged in parallel, second inclined surface on the described array base palte and second inclined surface on the described color membrane substrates be arranged in parallel, form the electric field of two view directions between the public electrode on the pixel electrode on two inclined surfaces of described array base palte and two inclined surfaces of described color membrane substrates.
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| CN109164655B (en) * | 2018-09-28 | 2021-03-23 | 合肥鑫晟光电科技有限公司 | Array substrate, display device, manufacturing and driving methods of array substrate and display device, and substrate manufacturing method |
| CN111308757B (en) * | 2020-02-28 | 2022-11-04 | 京东方科技集团股份有限公司 | Transparent display panel and display device |
| CN111446281B (en) * | 2020-04-28 | 2023-06-02 | 深圳市华星光电半导体显示技术有限公司 | Transparent display panel and transparent display device |
| CN113078202B (en) * | 2021-03-30 | 2022-10-28 | 京东方科技集团股份有限公司 | Color film structure, display substrate and display device |
| CN114255668A (en) * | 2021-12-02 | 2022-03-29 | 重庆惠科金渝光电科技有限公司 | Display panel and display device |
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| CN1617014A (en) * | 2003-08-30 | 2005-05-18 | 夏普株式会社 | Multiple view directional display |
| CN1619352A (en) * | 2003-08-30 | 2005-05-25 | 夏普株式会社 | Multiple view directional display |
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| CN1617014A (en) * | 2003-08-30 | 2005-05-18 | 夏普株式会社 | Multiple view directional display |
| CN1619352A (en) * | 2003-08-30 | 2005-05-25 | 夏普株式会社 | Multiple view directional display |
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