CN111176045A - TFT liquid crystal display module capable of controlling transparent display in switchable mode - Google Patents
TFT liquid crystal display module capable of controlling transparent display in switchable mode Download PDFInfo
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- CN111176045A CN111176045A CN202010135577.9A CN202010135577A CN111176045A CN 111176045 A CN111176045 A CN 111176045A CN 202010135577 A CN202010135577 A CN 202010135577A CN 111176045 A CN111176045 A CN 111176045A
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- liquid crystal
- crystal display
- tft
- multistable
- panel
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/137—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
- G02F1/139—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent
- G02F1/1391—Bistable or multi-stable liquid crystal cells
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133603—Direct backlight with LEDs
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The invention belongs to the technical field of liquid crystal display equipment, and particularly relates to a TFT liquid crystal display module capable of controlling transparent display in a switchable manner. The invention adopts the optical binding technology, has compact structure, and adopts the multistable technology to ensure that the liquid crystal screen can present a transparent state and a white opaque state; when the multistable liquid crystal screen is in a transparent state, the exhibit and the display content are presented to the audience at the same time; when the multistable liquid crystal screen is in a white opaque state, the LED light-emitting PANEL is on, the ambient light is off, and at the moment, a viewer can only see the display content of the TFT PANEL and is in an opaque state.
Description
Technical Field
The invention belongs to the technical field of liquid crystal display equipment, and particularly relates to a TFT liquid crystal display module capable of controlling transparent display in a switchable manner.
Background
TFT color liquid crystal display is widely used in many fields such as national defense, industry, home, public facilities, etc. as a main display device. Particularly in markets and exhibitions, customers have new applications, such as real goods or products which can dynamically display their information while being displayed, particularly valuable products which need to be displayed in a safe, and a TFT liquid crystal display screen capable of switching and controlling a transparent display, that is, an article on the back of a liquid crystal display screen, is required.
The existing TFT color display structure is a TFT PANEL + LED backlight source, such as a common liquid crystal television in our family, because LEDs emit light in a reflection mode, the display cannot be transparent, and the requirements of customers in the aspect cannot be met.
Disclosure of Invention
The invention aims to provide a TFT liquid crystal display module capable of controlling transparent display in a switchable manner, which can realize normal liquid crystal display by controlling a liquid crystal display driving control panel, can control the transparent liquid crystal display to realize transparent liquid crystal display, can see articles on the back of liquid crystal, and is widely applied to shop windows, display cabinets and price tags.
The purpose of the invention is realized by the following technical scheme:
the invention discloses a TFT liquid crystal display module capable of controlling transparent display by switching, which is characterized by comprising a liquid crystal display driving control board, a TFT PANEL connected with the liquid crystal display driving control board through a compression joint process, a multistable liquid crystal screen connected with the liquid crystal display driving control board through the compression joint process, an LED light-emitting board connected with the liquid crystal display driving control board through a connector, an ambient light source, wherein the LED light-emitting board is arranged below the multistable liquid crystal screen,
the TFT PANEL is connected with an FPC connector I,
the multistable liquid crystal screen is connected with an FPC connector II, and white ink dots are printed on the front surface of the multistable liquid crystal screen.
The TFT PANEL adopts an IPS negative display mode, and drives 1280RGBX800 pixels to be optically bound and adhered with the multistable liquid crystal screen printed with white ink dots through water glue adhesion.
The white ink dots printed on the front side are designed by adopting optical calculation, so that the side parts of the LED light-emitting plate can be ensured to emit light, and the light path can be ensured to be vertical and uniform by the total reflection of the white ink dots.
The invention has the advantages that:
the TFT liquid crystal display module capable of controlling transparent display by switching adopts an optical binding technology, has a compact structure, and adopts a multistable technology to enable a liquid crystal screen to be in a transparent state and a white opaque state; the white opaque state can be used as a reflecting film, white ink dots are printed on the front surface of the multistable liquid crystal screen, the optical design is adopted, the uniformity of reflected light is guaranteed, and the multistable liquid crystal screen plays a role of a light guide plate; when the multistable liquid crystal screen is in a transparent state, the LED light-emitting plate is turned off, the external environment light is lightened, the product works in the transparent state, and the exhibit and the display content are presented to the audience at the same time; when the multistable liquid crystal screen is in a white opaque state, the LED light-emitting panel is on, the ambient light is off, and at the moment, a viewer can only see TFTPANEL display contents and is in an opaque state.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a diagram of the working state of the opaque display according to the present invention.
Fig. 3 is a diagram of the transparent display working state of the present invention.
Fig. 4 is a schematic block diagram of the present invention.
Detailed Description
The following further describes the embodiments of the present invention with reference to the drawings.
As shown in fig. 1-4, the TFT liquid crystal display module capable of switching control transparent display of the present invention is characterized in that it comprises a liquid crystal display driving control board 3, a TFT PANEL1 connected to the liquid crystal display driving control board 3 by a press-bonding process, a multistable liquid crystal PANEL 4 connected to the liquid crystal display driving control board 3 by a press-bonding process, an LED light emitting PANEL 6 connected to the liquid crystal display driving control board 3 by a connector 8, an ambient light source 9, the LED light emitting PANEL 6 disposed under the multistable liquid crystal PANEL 4,
the TFT PANEL1 is connected with an FPC connector I2,
the multistable liquid crystal screen 4 is connected with an FPC connector II 7, and white ink dots 5 are printed on the front surface of the multistable liquid crystal screen 4.
The TFT PANEL1 adopts an IPS negative display mode, and drives 1280RGBX800 pixels and the multistable liquid crystal screen 4 printed with the white ink dots 5 to be optically bound and adhered together through water glue adhesion.
The white ink dots 5 printed on the front surface are designed by adopting optical calculation, so that the side parts of the LED light-emitting plate 6 are ensured to emit light, and the light path is ensured to be vertical and uniform by the total reflection of the white ink dots 5.
The multistable liquid crystal screen 4 is adopted and controlled by the liquid crystal display driving control panel 3, and the multistable liquid crystal screen 4 can be switched between a plane structure (corresponding to a transparent state) and a focal conic texture (corresponding to a milky opaque state).
The TFT PANEL1 of the invention is connected by an FPC connector I2, and is connected with a liquid crystal display driving control PANEL 3 by the FPC connector I2, and a control IC is arranged on the liquid crystal display driving control PANEL 3, and can drive the TFT PANEL1 to display the required picture.
The multistable liquid crystal screen 4 is provided with an FPC connector II 7 and is connected to the liquid crystal display driving control panel 3 through a crimping process, and the liquid crystal display driving control panel 3 is provided with a control IC and a driving circuit, so that the multistable liquid crystal screen 4 can be controlled to be switched between a transparent state and an opaque state.
The multistable liquid crystal screen 4 openly prints white printing ink site 5, and LED luminescent plate 6 is installed to the below, LED luminescent plate 6 pass through connector 8 and be connected to liquid crystal display drive control board 3, the bright of LED luminescent plate 6 can be controlled to liquid crystal display drive control board 3, LED luminescent plate 6 lateral part is luminous, openly prints white printing ink site 5 through multistable liquid crystal screen 4, takes place the total reflection, can regard as TFT PANEL 1's backlight.
The invention adopts the optical binding technology, has compact structure, adopts the multistable technology to ensure that the liquid crystal screen 4 can be in a transparent state and a white opaque state, the white opaque state can be used as a reflecting membrane, the front surface of the multistable liquid crystal screen 4 is printed with white ink dots 5, adopts the optical design to ensure the uniformity of reflected light and play a role of a light guide plate, and the liquid crystal display driving control PANEL 3 can control the display content of the TFT PANEL1, the state switching of the multistable liquid crystal screen 4 and the on-off of the LED light emitting PANEL 6; when the multistable liquid crystal screen 4 is in a white opaque state, the LED light-emitting PANEL 6 is on, the ambient light source 9 is off, and at the moment, a viewer can only see the display content of the TFT PANEL1 and is in an opaque state; when the multistable liquid crystal screen 4 is in a transparent state, the LED light-emitting plate 6 is turned off, the external environment light is lightened, the product works in the transparent state, and the exhibit and the display content are presented to the audience at the same time.
Referring to fig. 2, the TFTs PANEL 1; the multi-stable liquid crystal display screen 4 is characterized in that white ink dots 5 are printed on the front surface of the multi-stable liquid crystal display screen 4, and an LED light-emitting board 6 is arranged below the multi-stable liquid crystal display screen 4; an ambient light source 9; an exhibit 10.
Further, the TFT PANEL1 is controlled by the liquid crystal display driving control board 3 to display in a negative display mode or a full transparent mode;
further, the LED light-emitting plate 6 is turned on under the control of the liquid crystal display driving control plate 3;
further, the multistable liquid crystal screen 4 is in an opaque reflecting state under the control of the liquid crystal display driving control panel 3;
further, the ambient light source 9 is in a closed state under the control of the liquid crystal display driving control board 3;
the viewer can only see the display of the liquid crystal screen and cannot see the exhibit 10 in the display box.
Referring to fig. 3, the TFT PANEL 1; the multi-stable liquid crystal display screen 4 is characterized in that white ink dots 5 are printed on the front surface of the multi-stable liquid crystal display screen 4, and an LED light-emitting board 6 is arranged below the multi-stable liquid crystal display screen 4; an ambient light source 9; an exhibit 10.
Further, the TFT PANEL1 is controlled by the liquid crystal display driving control board 3 to display in a negative display mode or a full transparent mode;
further, the LED light panel 6 is turned off under the control of the liquid crystal display driving control board 3.
Further, the multistable liquid crystal screen 4 is in a transparent state under the control of the liquid crystal display driving control panel 3.
Further, the ambient light source 9 is in an illuminated state under the control of the liquid crystal display drive control board 3.
At this time, the viewer can see the contents displayed by the TFT PANEL1 and can also see the exhibit 10, thereby realizing the perfect combination of the displayed contents and the physical exhibit.
Claims (3)
1. A TFT liquid crystal display module capable of controlling transparent display in a switchable manner is characterized by comprising a liquid crystal display driving control PANEL, a TFT PANEL connected with the liquid crystal display driving control PANEL through a crimping process, a multistable liquid crystal screen connected with the liquid crystal display driving control PANEL through the crimping process, an LED light-emitting PANEL connected with the liquid crystal display driving control PANEL through a connector, and an ambient light source, wherein the LED light-emitting PANEL is arranged below the multistable liquid crystal screen,
the TFT PANEL is connected with an FPC connector I,
the multistable liquid crystal screen is connected with an FPC connector II, and white ink dots are printed on the front surface of the multistable liquid crystal screen.
2. The switchable TFT LCD module of claim 1, wherein the TFT PANEL adopts IPS negative display mode to drive 1280RGBX800 pixels and the multistable LCD screen printed with white ink dots to be optically bonded and adhered together by water-glue adhesion.
3. The switchable TFT LCD module as claimed in claim 1, wherein the white ink dots printed on the front side are designed by optical calculation to ensure the side of the LED light-emitting panel to emit light, and the total reflection of the white ink dots ensures the light path to be vertical and uniform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010135577.9A CN111176045A (en) | 2020-03-02 | 2020-03-02 | TFT liquid crystal display module capable of controlling transparent display in switchable mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010135577.9A CN111176045A (en) | 2020-03-02 | 2020-03-02 | TFT liquid crystal display module capable of controlling transparent display in switchable mode |
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| Publication Number | Publication Date |
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| CN111176045A true CN111176045A (en) | 2020-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010135577.9A Pending CN111176045A (en) | 2020-03-02 | 2020-03-02 | TFT liquid crystal display module capable of controlling transparent display in switchable mode |
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| CN (1) | CN111176045A (en) |
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| CN102073090A (en) * | 2010-11-05 | 2011-05-25 | 深圳市华星光电技术有限公司 | Light guide plate and backlight module |
| CN102537785A (en) * | 2010-12-23 | 2012-07-04 | 微软公司 | Transparent display backlight assembly |
| CN102654687A (en) * | 2012-02-29 | 2012-09-05 | 京东方科技集团股份有限公司 | Transparent display device |
| KR101210666B1 (en) * | 2011-10-14 | 2012-12-11 | 송영근 | Display system |
| CN203646901U (en) * | 2013-12-19 | 2014-06-18 | 江苏银铼电子科技有限公司 | Virtuality and reality combination type valuable article display cabinet |
| CN106019716A (en) * | 2016-07-28 | 2016-10-12 | 京东方科技集团股份有限公司 | Backlight source and driving method and display device thereof |
| CN106200085A (en) * | 2016-08-11 | 2016-12-07 | 京东方科技集团股份有限公司 | Fiber waveguide display base plate and preparation method thereof and display device |
| CN106873227A (en) * | 2015-10-13 | 2017-06-20 | 株式会社日本显示器 | Display device |
| CN110824771A (en) * | 2019-11-12 | 2020-02-21 | 昆山龙腾光电股份有限公司 | Display device and driving method thereof |
-
2020
- 2020-03-02 CN CN202010135577.9A patent/CN111176045A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002062530A (en) * | 2000-06-05 | 2002-02-28 | Toshiba Corp | Backlight for color liquid crystal, color liquid crystal display device and el (electroluminescence) light- emitting element for backlight for color liquid crystal |
| CN102073090A (en) * | 2010-11-05 | 2011-05-25 | 深圳市华星光电技术有限公司 | Light guide plate and backlight module |
| CN102537785A (en) * | 2010-12-23 | 2012-07-04 | 微软公司 | Transparent display backlight assembly |
| KR101210666B1 (en) * | 2011-10-14 | 2012-12-11 | 송영근 | Display system |
| CN102654687A (en) * | 2012-02-29 | 2012-09-05 | 京东方科技集团股份有限公司 | Transparent display device |
| CN203646901U (en) * | 2013-12-19 | 2014-06-18 | 江苏银铼电子科技有限公司 | Virtuality and reality combination type valuable article display cabinet |
| CN106873227A (en) * | 2015-10-13 | 2017-06-20 | 株式会社日本显示器 | Display device |
| CN106019716A (en) * | 2016-07-28 | 2016-10-12 | 京东方科技集团股份有限公司 | Backlight source and driving method and display device thereof |
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Application publication date: 20200519 |
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| RJ01 | Rejection of invention patent application after publication |