CN100451777C - Transmissive liquid crystal display - Google Patents
Transmissive liquid crystal display Download PDFInfo
- Publication number
- CN100451777C CN100451777C CNB2004100327880A CN200410032788A CN100451777C CN 100451777 C CN100451777 C CN 100451777C CN B2004100327880 A CNB2004100327880 A CN B2004100327880A CN 200410032788 A CN200410032788 A CN 200410032788A CN 100451777 C CN100451777 C CN 100451777C
- Authority
- CN
- China
- Prior art keywords
- electrode layer
- matrix
- lower electrode
- active
- layer
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The present invention relates to a penetration type liquid crystal display which is provided with double matrix electrodes. A first insulating layer, a first lower electrode layer, a second insulating layer, a second electrode layer and a first orientation layer are arranged on the upper surface of a first base board with a film transistor. A first upper electrode layer, a third insulating layer, a second upper electrode layer and a second orientation layer are orderly arranged on the lower surface of a second base board stuck with a chromatic light filter layer. A liquid crystal layer is clamped between the first orientation layer and the second orientation layer. The first lower electrode layer or the second lower electrode layer is electrically connected to the film transistor.
Description
Technical field
The relevant a kind of penetrating LCD of the present invention, particularly about the penetrating LCD of a kind of two groups of matrixes of integration in a panel, wherein one of two groups of matrixes are active-matrix.
Technical background
The explosivity of wireless telecommunications (wireless communication) is grown up has become global popular tendency.Mobile phone of future generation, that is 3G (third generation; The third generation) or UMTS (Universal MobileTelecommunication Services; Whole world mobile communication service), be a kind of technology that allows the user get final product access Email, video signal and webpage via mobile phone.
Many big factories such as Motorola and Samsung, have released the third generation mobile phone with double screen, lead popular consumer to watch selection for two kinds to provide.Bigger inner screen is to use in the general standard function, and less external screen is to be used for showing caller's identity or date and time.Because the difference of these two kinds of screens on functions of use, so the resolution that inner screen had is high than external screen.Generally speaking, the inner screen with high-resolution is an active-matrix LCD (activematrix liquid crystal display; AMLCD), the external screen that has than low power consumption is a PM-LCD Passive Matrix LCD display (passive matrix liquid crystal display; PMLCD).
The liquid crystal layer of PM-LCD Passive Matrix LCD display is that double team is between two sheet glass substrates.Wherein, on this glass substrate, have two groups of orthogonal transparent leads, be connected with upper and lower pixel electrode respectively, and form picture element matrix (matrix).When voltage is provided in a picture element electric capacity, the ordered state generation of the liquid crystal molecule that is arranged in picture element is reversed, and determined the penetrability of this picture element.
The active-matrix LCD is similar to the PM-LCD Passive Matrix LCD display.Different is also to comprise an electronic switch (that is thin film transistor (TFT) in each picture element of active-matrix LCD; Thin filmtransistor, TFT), so that video conversion speed and more imagings faster to be provided.
See also Fig. 1, simply compare for one of active-matrix LCD and PM-LCD Passive Matrix LCD display among the figure.As shown in the figure, the power consumption of PM-LCD Passive Matrix LCD display is fewer, and the resolution of active-matrix LCD is higher.As on the processing procedure difficulty, the manufacturing process of PM-LCD Passive Matrix LCD display is than next simple of active-matrix LCD.
For weight and the volume that reduces the double screen mobile phone, integrate active-matrix and passive matrix in same panel, will have vast benefit.
Summary of the invention
The object of the present invention is to provide the penetrating LCD of a kind of integration at least two group matrixes in a panel.
Another object of the present invention is providing a kind of active-matrix and the penetrating LCD of passive matrix in a panel integrated.
The present invention discloses a kind of penetrating LCD, comprises one first substrate, one second substrate, one first insulation course, one first lower electrode layer, one first upper electrode layer, one second insulation course, one the 3rd insulation course, one second upper electrode layer, one second lower electrode layer, one first both alignment layers, one second both alignment layers and a liquid crystal layer at least.Wherein, on first substrate, made the plurality of films transistor, then attached chromatic filter layer at the lower surface of second substrate.First insulation course is positioned on first substrate, and the cover film transistor.First lower electrode layer is positioned on first insulation course.First upper electrode layer is positioned at the surface of second substrate, and is attached on the chromatic filter layer.Second insulation course is the surface that is positioned at first lower electrode layer.The 3rd insulation course is positioned at the lower surface of first upper electrode layer.Second lower electrode layer is the surface that is positioned at second insulation course, and second upper electrode layer then is positioned at the surface of the 3rd insulation course.First both alignment layers is to be positioned at the second lower electrode layer surface.As for, second both alignment layers then is positioned at the second upper electrode layer surface.Liquid crystal layer, double team is between first both alignment layers and second both alignment layers.First lower electrode layer or second lower electrode layer are to be electrically connected to thin film transistor (TFT).
Enforcement of the present invention, will bring following beneficial effect:
Because the present invention is integrated in two group matrixes in the same panel at least, have the radio communication product of double screen compared to prior art, the present invention has the advantage that reduces radio communication product volume and weight.In addition, because radio communication product when standby, optionally utilizes the liquid crystal molecule in the passive matrix electrode drive picture element, to save power consumption; And utilize the standard feature of radio communication product as the user, when access Email, video signal and webpage, then can utilize the liquid crystal molecule in the active-matrix electrode drive picture element, to obtain higher visualization resolution.Other has, because in the present invention, is that at least two group matrixes are integrated in the same panel, therefore can significantly reduce processing procedure cost and step.
Description of drawings
Fig. 1 is the simple relatively synoptic diagram of active-matrix LCD and PM-LCD Passive Matrix LCD display;
Fig. 2 is a penetrating LCD sectional view of the present invention;
Fig. 3 (A) is the configuration vertical view of second substrate, first upper electrode layer and second upper electrode layer among the present invention, shows that row have several picture elements;
Fig. 3 (B) is the configuration vertical view of first substrate, first lower electrode layer, second lower electrode layer, sweep trace and signal line among the present invention, shows that row have several picture elements;
Fig. 3 (C) is a penetrating LCD sectional view of the present invention; And
Fig. 4 is a penetrating LCD sectional view of the present invention.
The figure number explanation
50 penetrating LCDs, 52 first substrates
54 second substrates, 56 chromatic filter layers
58 first insulation courses, 60 passive matrix electrode layers
60a passive matrix first lower electrode layer
60b passive matrix first upper electrode layer
64 second insulation courses 66 the 3rd insulation course
68 active-matrix electrode layers
68a active-matrix second lower electrode layer
68b active-matrix second upper electrode layer
70 first both alignment layers, 72 second both alignment layers
74 liquid crystal layers
Embodiment
The invention provides a kind of integration at least two groups and drive the penetrating LCD of matrix in a panel, wherein one of these two groups driving matrixes are active-matrix.When this penetrating LCD applies on the radio communication product, can be by switching different matrixes, and on same panel, carry out different Presentation Functions.For example, under and Presentation Function condition that resolution requirement lower irrelevant with display speed, utilize the passive matrix electrode layer to drive liquid crystal display picture, and relevant with display speed or need under the situation of high-resolution, then by active-matrix electrode layer driving liquid crystal display picture.Thus, except satisfying resolution required under the different functions of use, also can reach effective purpose of power saving.Shown in relevant of the present invention being described in detail as follows, right those who are familiar with this art know that all this only is embodiment, but not in order to limit scope of the present invention.
First embodiment
Please refer to Fig. 2, show that the present invention integrates the penetrating LCD 50 of double-matrix transparent electrode layer in a panel.As shown in the figure, this penetrating LCD 50 comprises one first substrate 52 at least, one second substrate 54, one chromatic filter layer 56, one first insulation course 58, one passive matrix electrode layer 60, one second insulation course 64, one the 3rd insulation course 66, one active-matrix electrode layer 68, one first both alignment layers 70, one second both alignment layers 72 and a liquid crystal layer 74, wherein passive matrix electrode layer 60 comprises a passive matrix first lower electrode layer 60a and a passive matrix first upper electrode layer 60b, and active-matrix electrode layer 68 then comprises an active-matrix second lower electrode layer 68a and an active-matrix second upper electrode layer 68b.On first substrate 52, be manufactured with plurality of films transistor (not shown), in order to be used as electronic switch.Have a chromatic filter layer 56 54 of second substrates, in order on screen, demonstrating Red Green Blue, and then be in harmonious proportion out full-color.First insulation course 58 is to be formed at first substrate, 52 upper surfaces, and covers above-mentioned thin film transistor (TFT), in order to functions such as insulation and planarization to be provided.
Please continue with reference to Fig. 2.The passive matrix first lower electrode layer 60a is positioned on first insulation course 58.Wherein, in this passive matrix first lower electrode layer 60a, have pattern, and be to be insulated material to completely cut off between this pattern.In a preferred embodiment, the above-mentioned passive matrix first lower electrode layer 60a is by indium tin oxide (indium tin oxide; ITO) constitute, for having the conductive metal film of high-transmittance.As for, the passive matrix first upper electrode layer 60b is positioned at chromatic filter layer 56 surfaces, and same as above, in this passive matrix first upper electrode layer 60b, have the pattern (not shown) that constitutes by indium tin oxide, and also be insulated material between this pattern and completely cut off.On the surface of passive matrix first lower electrode layer 60a and the passive matrix first upper electrode layer 60b, have second insulation course 64 and the 3rd insulation course 66 respectively.
Still please refer to Fig. 2.The active-matrix second lower electrode layer 68a is made in second insulation course, 64 upper surfaces, then is made in the 3rd insulation course 66 lower surfaces as for the active-matrix second upper electrode layer 68b.Wherein, in this active-matrix second lower electrode layer 68a, have pattern, between this pattern and be insulated material and completely cut off, and constitute the active-matrix second lower electrode layer 68a.In a preferred embodiment, the pattern among this active-matrix second lower electrode layer 68a and the active-matrix second upper electrode layer 68b all is made up of indium tin oxide.First both alignment layers 70 is the upper surfaces that are positioned at the active-matrix second bottom electrode 68a, and second both alignment layers 72 then is made in the lower surface of the active-matrix second upper electrode layer 68b.As for liquid crystal layer 74, be that double team is between first both alignment layers 70 and second both alignment layers 72.
When integrating at least two group matrix transparent electrode layers in same panel, and optionally utilize wherein one group of matrix transparent electrode layer to drive liquid crystal molecule to produce when reversing, the voltage of electrode can be subjected to the interference that another group is not used electrode during this used.For instance, when providing 5 volts of voltages to the passive matrix first lower electrode layer 60a, because the position active-matrix second lower electrode layer 68a thereon is a conductor also, can be induced with this active-matrix second lower electrode layer 68a to produce about 1 volt voltage.Such result can cause being driven and the image of generation by passive matrix electrode layer 60 originally, is subjected to the interference that active-matrix electrode layer 68 drives the images that form.
For fear of the problems referred to above take place, the left and right sides relative position of passive matrix electrode layer 60 with active-matrix electrode layer 68 can be staggered.
See also Fig. 3 (A) and Fig. 3 (B), Fig. 3 (A) shows the vertical view of second substrate 54, the passive matrix first upper electrode layer 60b and the active-matrix second upper electrode layer 68b, and Fig. 3 (B) is the vertical view of first substrate 52, the passive matrix first lower electrode layer 60a, the active-matrix second lower electrode layer 68a, sweep trace 71 and signal line 73.Fig. 3 (C) is after Fig. 3 (A) and Fig. 3 (B) are made up, line segment
Sectional view.
Shown in Fig. 3 (B), be positioned at the passive matrix first lower electrode layer 60a and the active-matrix second lower electrode layer 68a of first substrate, 52 tops, the left and right sides relative position between its two-layer electrode layer is for staggering, to avoid electrical interference unnecessary between conductive layer.
The passive matrix first upper electrode layer 60b among Fig. 3 (A) is column electrode (column electrode), and the passive matrix first lower electrode layer 60a among Fig. 3 (B) then is row electrode (row electrode).When this column electrode and row electrode are respectively imposed a voltage, can in column electrode and the staggered picture element (not shown) that is constituted of row electrode, produce a pressure reduction, and then change the ordered state of liquid crystal molecule in this picture element.The active-matrix second lower electrode layer 68a among Fig. 3 (B) electrically connects with aforementioned thin film transistor (TFT) (not shown), and the source electrode of this thin film transistor (TFT) and grid then are electrically connected to signal line 73 and sweep trace 71 individually.When this thin film transistor (TFT) was unlocked (turn on), the voltage difference that is produced between active-matrix second upper electrode layer 68b and the active-matrix second lower electrode layer 68a can change and is positioned at the wherein ordered state of liquid crystal molecule.
The another kind of practice is when providing 5 volts of voltages to the passive matrix first lower electrode layer 60a, simultaneously the active-matrix second lower electrode layer 68a is imposed 1 volt negative voltage, when utilizing the passive matrix first lower electrode layer 60a imaging with counteracting, in the active-matrix second lower electrode layer 68a, induce 1 volt of positive voltage of generation, and reduce the stray capacitance that is produced between passive matrix first lower electrode layer 60a and the active-matrix second lower electrode layer 68b, and improve the accuracy of video picture.
Center of the present invention spirit is to integrate at least two group matrix electrodes layers in same panel.In addition, the present invention also can do as down conversion, shown in second embodiment, the 3rd embodiment, the 4th embodiment and the 5th embodiment:
Second embodiment
The present embodiment place different with first embodiment is, optionally make passive matrix first upper electrode layer 60b or the active-matrix second upper electrode layer 68b in second substrate 54, in order to be used as the shared top electrode of passive matrix first lower electrode layer 60a and the active-matrix second lower electrode layer 68b.Still one as described above, that is with the shared very column electrode that powers on, the passive matrix first lower electrode layer 60a is the row electrode when utilizing passive matrix electrode layer 60 to drive liquid crystal, drives the interregional liquid crystal molecule generation of column electrode and the intersection of row electrode and reverses.And when utilizing active-matrix electrode layer 68 to drive liquid crystal, shared top electrode is to be electrically connected to same reference potential, when the thin film transistor (TFT) with active-matrix second lower electrode layer 68a electric connection is unlocked, the voltage difference that is had between this active-matrix second lower electrode layer 68a and the active-matrix second upper electrode layer 68b, the liquid crystal molecule that can drive this two interlayer twists.
The 3rd embodiment
See also Fig. 4, present embodiment is in the active-matrix electrode layer 68 and the position of passive matrix electrode layer 60 are exchanged with the different of Fig. 3 (C) first embodiment that discloses.
The 4th embodiment
Present embodiment and Fig. 3 (C) first embodiment that discloses does not exist together, and is the position of first lower electrode layer 60a of passive matrix among Fig. 4 and the active-matrix second lower electrode layer 68a is exchanged.
The 5th embodiment
Present embodiment and Fig. 3 (C) first embodiment that discloses does not exist together, and is the position of first upper electrode layer 60b of passive matrix among Fig. 4 and the active-matrix second upper electrode layer 68b is exchanged.
Compared to traditional technology, LCD provided by the present invention has following advantage:
(1) because the present invention is integrated in two group matrixes in the same panel at least, have the radio communication product of double screen compared to prior art, the present invention has the advantage that reduces radio communication product volume and weight.
(2) because radio communication product when standby, optionally utilizes the liquid crystal molecule in the passive matrix electrode drive picture element, to save power consumption; And utilize the standard feature of radio communication product as the user, when access Email, video signal and webpage, then can utilize the liquid crystal molecule in the active-matrix electrode drive picture element, to obtain higher visualization resolution.
(3) because in the present invention, be that at least two group matrixes are integrated in the same panel, therefore can significantly reduce processing procedure cost and step.
Though the present invention illustrates as above with preferred embodiment, so it is not only to terminate in the foregoing description in order to limit the present invention's spirit with the invention entity.Therefore, the modification of being done in not breaking away from spirit of the present invention and scope all should be included in the claim of the present invention.
Claims (2)
1, a kind of penetrating LCD is characterized in that comprising at least:
One first substrate wherein has the plurality of films transistor on the surface of this first substrate;
One second substrate wherein has a chromatic filter layer on the surface of this second substrate;
One first insulation course is to be positioned at this first upper surface of base plate, to cover this plurality of films transistor;
One first electrode layer comprises at least:
One first lower electrode layer is the surface that is positioned at this first insulation course;
One first upper electrode layer is the surface that is positioned at this chromatic filter layer;
One second insulation course is the surface that is positioned at this first lower electrode layer;
One the 3rd insulation course is the surface that is positioned at this first upper electrode layer;
One second lower electrode layer is the surface that is positioned at this second insulation course;
One first both alignment layers is the upper surface that is positioned at this second lower electrode layer;
One second both alignment layers is the lower surface that is positioned at the 3rd insulation course; And
One liquid crystal layer is between this first both alignment layers and this second both alignment layers;
The passive matrix electrode layer comprises a passive matrix first lower electrode layer and a passive matrix first upper electrode layer, the active-matrix electrode layer comprises an active-matrix second lower electrode layer, selectively fabricated passive matrix first upper electrode layer or active-matrix second upper electrode layer are in second substrate, in order to be used as the shared top electrode of passive matrix first lower electrode layer and active-matrix second lower electrode layer.
2, penetrating LCD as claimed in claim 1 is characterized in that: the horizontal relative position of this first lower electrode layer and this second lower electrode layer is for staggering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100327880A CN100451777C (en) | 2004-04-21 | 2004-04-21 | Transmissive liquid crystal display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100327880A CN100451777C (en) | 2004-04-21 | 2004-04-21 | Transmissive liquid crystal display |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1690775A CN1690775A (en) | 2005-11-02 |
| CN100451777C true CN100451777C (en) | 2009-01-14 |
Family
ID=35346323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100327880A Expired - Fee Related CN100451777C (en) | 2004-04-21 | 2004-04-21 | Transmissive liquid crystal display |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100451777C (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5801796A (en) * | 1996-05-10 | 1998-09-01 | International Business Machines Corporation | Stacked parallax-free liquid crystal display cell |
| US5986729A (en) * | 1996-07-10 | 1999-11-16 | Matsushita Electric Industrial Co., Ltd. | Liquid crystal display device and method of manufacturing the same |
| JP2001242480A (en) * | 1999-12-21 | 2001-09-07 | Seiko Epson Corp | Liquid crystal display device its manufacturing method and electronic apparatus |
| WO2003044763A1 (en) * | 2001-11-22 | 2003-05-30 | Koninklijke Philips Electronics N.V. | Bistable liquid crystal device having two drive modes |
-
2004
- 2004-04-21 CN CNB2004100327880A patent/CN100451777C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5801796A (en) * | 1996-05-10 | 1998-09-01 | International Business Machines Corporation | Stacked parallax-free liquid crystal display cell |
| US5986729A (en) * | 1996-07-10 | 1999-11-16 | Matsushita Electric Industrial Co., Ltd. | Liquid crystal display device and method of manufacturing the same |
| JP2001242480A (en) * | 1999-12-21 | 2001-09-07 | Seiko Epson Corp | Liquid crystal display device its manufacturing method and electronic apparatus |
| WO2003044763A1 (en) * | 2001-11-22 | 2003-05-30 | Koninklijke Philips Electronics N.V. | Bistable liquid crystal device having two drive modes |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1690775A (en) | 2005-11-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10203576B2 (en) | Display substrate with a common electrode and liquid crystal display panel having the same | |
| US9638975B2 (en) | Method for manufacturing COA liquid crystal panel comprising color resist blocks having first and second intersection zones and COA liquid crystal panel | |
| CN100510860C (en) | In-plane switching mode liquid crystal display device with adjustable viewing angle and method for fabricating the same | |
| US8586989B2 (en) | Thin film transistor array panel and display device | |
| CN101592813B (en) | FFS mode display device | |
| CN100541280C (en) | Liquid crystal indicator and electronic equipment | |
| US20080291376A1 (en) | Liquid crystal panel having low-resistance common electrode layer | |
| KR20100019601A (en) | Display device | |
| US20040150759A1 (en) | Liquid crystal display device | |
| CN106449652B (en) | Array substrate and its manufacturing method, display panel and display equipment | |
| CN105223726B (en) | Colored filter substrate and production method and liquid crystal display device and driving method | |
| US9019221B2 (en) | Display device integrated with touch screen panel | |
| EP2757411B1 (en) | Array substrate and liquid crystal display panel | |
| CN107422507B (en) | Liquid crystal display panel and display device | |
| CN102150192A (en) | Active matrix substrate, display panel, display device, and electronic apparatus | |
| AU2003283774A1 (en) | Liquid crystal displays | |
| CN113035141A (en) | Display screen, display screen driving method and device, electronic equipment and storage medium | |
| JP4428330B2 (en) | Electro-optical device and electronic apparatus | |
| CN101158794A (en) | Semi-transmission semi-reflection liquid crystal display board and display array substrates and pixel structure thereof | |
| US7426002B2 (en) | Liquid crystal display having active and passive matrix modes | |
| CN100451777C (en) | Transmissive liquid crystal display | |
| CN115729002A (en) | Array substrate, detection method thereof and display device | |
| KR20080066565A (en) | Display device | |
| CN107121820A (en) | A kind of liquid crystal display panel and display device | |
| US11538834B2 (en) | Display device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090114 Termination date: 20180421 |