CN101018281A - TV with the resonance interference prevention function and its backlight module - Google Patents
TV with the resonance interference prevention function and its backlight module Download PDFInfo
- Publication number
- CN101018281A CN101018281A CNA2006100035434A CN200610003543A CN101018281A CN 101018281 A CN101018281 A CN 101018281A CN A2006100035434 A CNA2006100035434 A CN A2006100035434A CN 200610003543 A CN200610003543 A CN 200610003543A CN 101018281 A CN101018281 A CN 101018281A
- Authority
- CN
- China
- Prior art keywords
- frequency
- wave
- reading scan
- control element
- electric controller
- 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.)
- Pending
Links
Images
Landscapes
- Liquid Crystal Display Device Control (AREA)
- Transforming Electric Information Into Light Information (AREA)
Abstract
The provided TV with anti-resonance disturbance function and backlight module comprises: a light power, a wavelength modulation controller to output discrete pulse signal and drive the light power, and a control member with multiple states corresponding to TV video signal with different scanning frequency to control the output signal frequency from the controller. When the control element on one of this state, the controller outputs discrete pulse signal with frequency different to the integer times of current scanning frequency. This invention can enhance light-and-shade contrast, avoids generating water wave, and then ensures the enjoy quality.
Description
Technical field
The present invention relates to a kind of TV and module backlight thereof, particularly relate to a kind of TV and module backlight thereof of tool resonance interference prevention function.
Background technology
Because flat-panel screens (FlatPanel Display) such as LCD TV, plasm TV has the environment-friendly advantage of low radiation, slimming, lightweight and green display compared to traditional C RT (cathode ray tube) TV, become the first-selection of family.LCD TV in flat-surface television (LCD TV) technical progress is rapidly and with the volume production actual achievement of reality, and LCD TV has the trend that replaces traditional C RT TV gradually.
The LCD TV primary structure mainly can be divided into panel and module backlight (BackLighting Source Module) two parts, panel processing procedure wherein comprises electro-conductive glass, liquid crystal, alignment film, colored filter, polaroid, reach elements such as driving governor, module backlight then comprises elements such as light source such as cold-cathode tube or light-emitting diode, light guide plate, optical thin film miscellaneous, in addition, light source regulation and control modules (Inverter) are the power supplys of supply module backlight, drive cold cathode luminous source with the pulse that it was produced.
When the light and shade contrast of adjusting LCD TV, as shown in Figure 1, generally be the power pulse 101 amplitude a sizes of regulating the sub-fluorescent tube of power supply; During actual the measurement, if corresponding maximum of regulating and minimum amplitude then the brightness value of LCD TV about 250cd/m
2To 180cd/m
2Between, so the adjustable amplitude of brightness value is subjected to suitable restriction.
Cooperate shown in Fig. 2,3, a kind of adjusting LCD TV light and shade way of contrast in " burst mode " (Burst Mode) running is described, its light source regulation and control module 3 with general LCD TV is identical, be combined with a plurality of light sources 34, light source regulation and control module 3 has a power circuit 30, a control unit 31, a voltage transformation unit 32 and a feedback unit 33, in this example, illustrated light source 34 is to represent with two tubes.Identical as for power circuit 30, voltage transformation unit 32 and feedback unit 33 with light source regulation and control module 3 effects of general LCD TV, so no longer given unnecessary details.
Now " burst mode " and the light source regulation and control module function mode of technology are not more early existed together and be described as follows: the power supply amplitude of setting 3 outputs of light source regulation and control module has been reduced to minimum, select control unit 31 to export with " burst mode " this moment, and in the square-wave signal 301 of the wide length of control unit 31 input scalable ripples, then pass through voltage transformation unit 32 again, feedback unit 33 is to light source 34, the power supply that this fluorescent tube is given in power supply is blocked by this square-wave signal 301 and is interrupted output, because these interruption periods D is controlled in the persistence of vision scope of human eye, make the observer can't detect fully fluorescent tube 34 once moment dark entirely, and recover lost eyesight again subsequently.
In this kind " burst mode ", the wide length d of the ripple of intermittent pulse signal 201 is the luminous period of fluorescent tube under minimum brightness, and after interruption period D reduces luminous period d, is and ends the luminous period.So regulation and control lamp luminescence period d and the length ratio of ending the luminous period just are enough to reduce the darkest degree that observer's naked eyes are assert LCD TV, enlarge the brightest and the light and shade ratio gap of dark situation.During actual the measurement, the highest and minimum brightness value of LCD TV shows approximately can be by 250cd/m
2To 50cd/m
2, compare with independent adjusting amplitude mode, significantly promote its light and shade contrast.
Yet, if in the process of regulating intermittent pulse signal frequency 201, the keying frequency of light source 34 just is the integer frequency of reading scan frequency, then can produce resonance, two kinds of frequencies all can have a little drift, and then each width of cloth picture will have partial pixel dark slightly than other pixels with the interrupted demonstration of light source, during to next width of cloth picture, this moves to adjacent pixel location a little than dark areas, just can produce the phenomenon that is commonly referred to as ripples line (Mura) on the screen of LCD TV.
Thereby how discontinuous power supply is given light source 34, be intractable problem, also therefore limit the practical application that this kind has " burst mode " regulative mode that preferable light and shade contrasts.Same problem also can appear on the light source control of for example liquid crystal projector, back projection TV.
Summary of the invention
Produce ripples line interference phenomenon when avoiding being adjusted to the integral multiple frequency of reading scan on screen, conception of the present invention is even the power supply interruption frequency of light source is not equal to the integral multiple of reading scan frequency.
Therefore, a purpose of the present invention is to provide a kind of TV and module backlight thereof with tool resonance interference prevention function of preferable light and shade contrast.
Another purpose of the present invention is to provide a kind of TV and module backlight thereof that reduces the tool resonance interference prevention function of ripples line effect.
So, the TV of tool resonance interference prevention function of the present invention, in order to receive and to show that one has the television image signal of a reading scan frequency, this TV comprises a light source, a Wave-wide regulation controlled electric controller and a control element.
The Wave-wide regulation controlled electric controller electrically connects this light source and in order to export an intermittent pulse signal to this light source, opens and closes to order about this light source.
Control element is controlled the intermittent pulse signal frequency that this Wave-wide regulation controlled electric controller is exported, this control element has various states, respectively the television image signal with different reading scan frequencies is corresponding respectively for this state, and when this control element is one of in these states, make the frequency of this Wave-wide regulation controlled electric controller output intermittent pulse signal be not equal to this control element current state the integral multiple of corresponding reading scan frequency, to reach the effect of effective reduction water ripple phenomenon.
The TV of tool resonance interference prevention function of the present invention, the reading scan frequency of default respectively this state correspondence of this Wave-wide regulation controlled electric controller with a plurality of respectively with the corresponding frequency range of different reading scan frequencies, respectively this frequency range is not equal to the integral multiple of corresponding reading scan frequency, when this control element in these states one of them the time, the frequency of this Wave-wide regulation controlled electric controller output intermittent pulse signal in these frequency ranges one with the corresponding frequency range of reading scan frequency of the present place of this control element state.
The TV of tool resonance interference prevention function of the present invention, this Wave-wide regulation controlled electric controller is to operate with burst mode.
The TV of tool resonance interference prevention function of the present invention, this control element are switches that controlled by the user.
The TV of tool resonance interference prevention function of the present invention, a state of this control element the reading scan frequency of corresponding signal of video signal be 50Hz.
The TV of tool resonance interference prevention function of the present invention, another state of this control element the reading scan frequency of corresponding signal of video signal be 60Hz.
The TV of tool resonance interference prevention function of the present invention, this TV are LCD TV, and this light source is a fluorescent tube.
The present invention also provides a kind of module backlight of tool resonance interference prevention function, and for being used for a TV, this TV is for reception and shows that one has the television image signal of a reading scan frequency that the module backlight of this tool resonance interference prevention function comprises: a light source; One Wave-wide regulation controlled electric controller electrically connects this light source and in order to producing an intermittent pulse signal, opens and closes to control this light source; An and control element, control the intermittent pulse signal frequency that this Wave-wide regulation controlled electric controller is exported, this control element has various states, respectively the television image signal with different reading scan frequencies is corresponding respectively for this state, and when this control element in these states one of them the time, make the frequency of this Wave-wide regulation controlled electric controller output intermittent pulse signal be not equal to this control element current state the integral multiple of corresponding reading scan frequency.
The module backlight of tool resonance interference prevention function of the present invention, this Wave-wide regulation controlled electric controller is to operate with burst mode.
The module backlight of tool resonance interference prevention function of the present invention, this control element are switches that controlled by the user.
The module backlight of tool resonance interference prevention function of the present invention, a state of this control element the reading scan frequency of corresponding signal of video signal be 50Hz.
The module backlight of tool resonance interference prevention function of the present invention, another state of this control element the reading scan frequency of corresponding signal of video signal be 60Hz.
The module backlight of tool resonance interference prevention function of the present invention, the reading scan frequency of default respectively this state correspondence of this Wave-wide regulation controlled electric controller with a plurality of respectively with the corresponding frequency range of different reading scan frequencies, respectively this frequency range is not equal to the integral multiple of corresponding reading scan frequency, when this control element in these states one of them the time, the frequency of this Wave-wide regulation controlled electric controller output intermittent pulse signal in these frequency ranges one with the corresponding frequency range of reading scan frequency of the present place of this control element state.
The present invention provides a kind of light source regulation and control module of tool resonance interference prevention function again, be for being used for a TV and in order to control the keying of a light source, this TV is for receiving and showing that one has the television image signal of a reading scan frequency, this light source regulation and control module comprises: a Wave-wide regulation controlled electric controller, electrically connect this light source and in order to produce an intermittent pulse signal, open and close to control this light source, this Wave-wide regulation controlled electric controller default two respectively with the corresponding frequency range of different reading scan frequencies, this frequency range is not equal to the integral multiple of this correspondence reading scan frequency; An and switch, be to electrically connect this Wave-wide regulation controlled electric controller and can be switched in an opening and a closed condition one, these states correspond respectively to the pairing reading scan frequency of these different frequency scopes, when this Wave-wide regulation controlled electric controller output intermittent pulse signal, this Wave-wide regulation controlled electric controller output frequency is between the intermittent pulse signal of the frequency range of the present place of this switch state correspondence, whereby, make the frequency of this Wave-wide regulation controlled electric controller output intermittent pulse signal be not equal to this control element current state the integral multiple of corresponding reading scan frequency.
The TV of tool resonance interference prevention function of the present invention and module backlight thereof not only can widen its light and shade contrast, more avoid producing water ripple phenomenon, and ornamental quality is guaranteed.
Description of drawings
Fig. 1 is an oscillogram, illustrates generally with the corresponding light and shade contrast of adjusting LCD TV of the amplitude a size of control impuls;
Fig. 2 is an oscillogram, illustrates to regulate LCD TV light and shade way of contrast with the wide length d of control wave under the burst mode running;
Fig. 3 is a circuit block diagram, and the light source regulation and control module of general LCD TV is described, it is equipped with a plurality of light sources;
Fig. 4 is a circuit block diagram, and the TV with resonance interference prevention function of the present invention is described; And
Fig. 5 is the circuit diagram of control element in the present embodiment.
Embodiment
The television system in the world roughly can be divided into three big systems at present: NTSC (the National Television System Committee that the U.S. and China adopt, National Television System Committee), PAL (the Phase Alternation Line of Europe employing, phase-aoternation line system), SECAM (Sequental Couleur A Memoire, "systeme electronique couleur avec memoire") with Russia's Eastern Europe employing.In the reading scan frequency of the television image signal of three kinds of systems or variant, the horizontal frequency of NTSC, PAL and SECAM is all 15.75KHz, and the vertical scanning frequency of NTSC is 60Hz, and the vertical scanning frequency of PAL and SECAM is 50Hz.Can produce the resonance interference with intermittent pulse signal in the signal of video signal should be vertical scanning signal, thereby utilize vertical scanning frequency that a control element informs that light source regulation and control module imports signal of video signal at present why in the present invention, make its output intermittent pulse signal frequency be not equal to the integral multiple of vertical scanning frequency.
Cooperate shown in Figure 4ly, the preferred embodiment with TV 1 of resonance interference prevention function of the present invention comprises a liquid crystal module 4 and a module 5 backlight.Liquid crystal module has a liquid crystal panel 41 and and drives the drive circuit 42 that liquid crystal panel 41 is worked according to the television image signal.Module 5 backlight has the light source regulation and control module 52 of a light source 51 and a driving light source 51 keyings.In addition, module 5 backlight has more the necessary member of prismatic lens, diffusion barrier, reflectance coating, light guide plate and outside framework (figure do not show) or the like and so on, so these members widely those skilled in the art know and the improvement emphasis of non-this case, so do not give unnecessary details at this.
The light source 51 of present embodiment is a plurality of cold-cathode tubes, and it can be subjected to light regulation and control module 52 to drive and open and close, with the required light of in good time generation liquid crystal module 4.The cold-cathode tube quantity of light source 51 is to strengthen with the size of liquid crystal panel 41 to increase.In addition, those skilled in the art be when knowing, the light-emitting component that light source 51 also can other kinds replaces, as are used for light-emitting diode or the like of small size panel and so on, and it is disclosed should not to be subject to present embodiment.
Have elements such as a Wave-wide regulation controlled electric controller 521, a power circuit 522, a converter 523, a transformer 524 and a feedback unit 520 in this routine light source regulation and control module 52, wherein, Wave-wide regulation controlled electric controller 521 is to be subjected to the activation of power circuit 522 and according to default interruption frequency, produces the intermittent pulse signal that meets " burst mode " and activation and regulation and control light source 51 bright dark.The action principle of elements such as converter 523, transformer 524 and feedback unit 520 is because be well-known, and non-emphasis of the present invention, so do not give unnecessary details.
Wave-wide regulation controlled electric controller 521 has a control end 525, is generally the output pin position, and can make the intermittent pulse signal of Wave-wide regulation controlled electric controller 521 outputs between the different frequency scope with the potential change of control end 525.Therefore, present embodiment light source regulation and control module 52 has more a control element 526 electric connection control ends 525.Control element 526 be can be switched and be positioned at various states one of them, each state signal of video signal with different reading scan frequencies respectively is corresponding, and store in the Wave-wide regulation controlled electric controller 521 the pairing reading scan frequency of each state and a plurality of respectively with the corresponding frequency range of each state reading scan frequency, each frequency range is the integral multiple that is not equal to the reading scan frequency.So, when Wave-wide regulation controlled electric controller 521 detect control element 526 be positioned at these states one of them the time, then output frequency is not controlled light source 51 light and shades for the intermittent pulse signal of the integral multiple of the reading scan frequency of control element 526 place state correspondences, and then reaches the effect of avoiding the resonance disturbed condition to take place.
The vertical scanning frequency of television image signal may be two kinds of 50Hz and 60Hz with the difference of system, and producer big city knows which zone this product may be transported to and peddle, thereby, cooperating Fig. 5, the control element 526 of present embodiment is a switch.One end of control element 526 electrically connects the control end 525 and other end ground connection of Wave-wide regulation controlled electric controller 521., with the conducting of switch whether control end 525 current potentials of Wave-wide regulation controlled electric controller 521 can change, thereby control element 526 can switch in two states.It is 60Hz that the conducting state of setting control element 526 in the present embodiment represent vertical scanning frequency, instructs that to lead to state be to represent NTSC, and closed condition to represent vertical scanning frequency be 50Hz, refer to that closed condition is to represent PAL and SECAM.This routine control element 526 can be arranged at easily on the outer surface of the TV 1 that is switched by the user, and can switch on the state of corresponding region by manufacturer or dealer or user oneself, as in China, then switching controls element 526 is in conducting state, if in Europe then switching controls element 526 in closed condition.
For instance, if control element 526 is when conducting state, its corresponding reading scan frequency is 60Hz, because of control element 526 conducting ground connection, the current potential of the control end 525 of Wave-wide regulation controlled electric controller 521 is ground connection also, Wave-wide regulation controlled electric controller 521 can be set output one in response to the current potential of control end 525, and (215～225Hz) intermittent pulse signal for example is to export an intermittent pulse signal that is not equal to the integral multiple that scans display frequency between frequency range.Opposite, when control element 526 during in closed condition, its corresponding reading scan frequency is 50Hz, control element 526 open circuit and the current potential of control end 525 is no longer equalled zero, Wave-wide regulation controlled electric controller 521 thereby be set output one between frequency range (220～230Hz) intermittent pulse signal for example.
So, when control element 526 was in the state of corresponding different reading scan frequencies, control end 525 current potentials of Wave-wide regulation controlled electric controller 521 changed thereupon, and then the intermittent pulse signal that can allow Wave-wide regulation controlled electric controller 521 export between the different frequency scope.
It should be noted, though the control element 256 in the present embodiment is the switches by user's switching, yet those skilled in the art are when knowing, control element also has the switch (figure does not show) that a detector (figure does not show) and of detecting the reading scan frequency of television image signal is subjected to detector control, with by next state of initiatively detecting reading scan frequency and corresponding diverter switch of detector or the like, should not be subject to present embodiment and disclose.
Conclude above-mentionedly, produce intermittent pulse signal with burst mode and light fluorescent tube,, visually significantly reduce to show slinkingly most and show state luminance, so as to widening the light and shade contrast of LCD TV compared to the mode of regulating amplitude.Via the exposure of this case, control element 526 is set, thoroughly solve the puzzlement of the interruption frequency generation resonance of the fundamental frequency of reading scan frequency and frequency multiplication and internal light source, get rid of the phenomenon that produces the ripples line on the TV 1.Therefore, the TV according to the present invention makes not only can widen its light and shade contrast, more avoids producing water ripple phenomenon, and ornamental quality is guaranteed.
In addition, those skilled in the art certainly can understand, light source regulation and control module 52 of the present invention also can be applicable to other and can show television image signal and the display device that needs to adjust light source, and as projector or back projection TV etc., it is disclosed should not to be subject to present embodiment.
Claims (14)
1. the TV of a tool resonance interference prevention function in order to receive and to show that one has the television image signal of a reading scan frequency, is characterized in that the TV of this tool resonance interference prevention function comprises:
One light source;
One Wave-wide regulation controlled electric controller electrically connects this light source and in order to exporting an intermittent pulse signal to this light source, opens and closes to order about this light source; And
One control element, electrically connect this Wave-wide regulation controlled electric controller and control the intermittent pulse signal frequency that this Wave-wide regulation controlled electric controller is exported, this control element has various states, respectively the television image signal with different reading scan frequencies is corresponding respectively for this state, when this control element in this state one of them the time, the frequency of this Wave-wide regulation controlled electric controller output intermittent pulse signal be not equal to this control element current state the integral multiple of corresponding reading scan frequency.
2. the TV of tool resonance interference prevention function according to claim 1, it is characterized in that, the reading scan frequency of default respectively this state correspondence of this Wave-wide regulation controlled electric controller with a plurality of respectively with the corresponding frequency range of different reading scan frequencies, respectively this frequency range is not equal to the integral multiple of corresponding reading scan frequency, when this control element in this state one of them the time, the frequency of this Wave-wide regulation controlled electric controller output intermittent pulse signal in this frequency range one with the corresponding frequency range of reading scan frequency of the present place of this control element state.
3. the TV of tool resonance interference prevention function according to claim 1 is characterized in that, this Wave-wide regulation controlled electric controller is to operate with burst mode.
4. the TV of tool resonance interference prevention function according to claim 1 is characterized in that, this control element is a switch that controlled by the user.
5. the TV of tool resonance interference prevention function according to claim 1 is characterized in that, a state of this control element the reading scan frequency of corresponding signal of video signal be 50Hz.
6. the TV of tool resonance interference prevention function according to claim 5 is characterized in that, another state of this control element the reading scan frequency of corresponding signal of video signal be 60Hz.
7. the TV with resonance interference prevention function according to claim 1 is characterized in that, this TV is a LCD TV, and this light source is a fluorescent tube.
8. the module backlight of a tool resonance interference prevention function supplies to be used for a TV, and this TV is for reception and shows that one has the television image signal of a reading scan frequency, it is characterized in that the module backlight of this tool resonance interference prevention function comprises:
One light source;
One Wave-wide regulation controlled electric controller electrically connects this light source and in order to producing an intermittent pulse signal, opens and closes to control this light source; And
One control element, control the intermittent pulse signal frequency that this Wave-wide regulation controlled electric controller is exported, this control element has various states, respectively the television image signal with different reading scan frequencies is corresponding respectively for this state, and when this control element in this state one of them the time, make the frequency of this Wave-wide regulation controlled electric controller output intermittent pulse signal be not equal to this control element current state the integral multiple of corresponding reading scan frequency.
9. the module backlight of tool resonance interference prevention function according to claim 8 is characterized in that, this Wave-wide regulation controlled electric controller is to operate with burst mode.
10. the module backlight of tool resonance interference prevention function according to claim 8 is characterized in that, this control element is a switch that controlled by the user.
11. the module backlight of tool resonance interference prevention function according to claim 8 is characterized in that, a state of this control element the reading scan frequency of corresponding signal of video signal be 50Hz.
12. the module backlight of tool resonance interference prevention function according to claim 11 is characterized in that, another state of this control element the reading scan frequency of corresponding signal of video signal be 60Hz.
13. the module backlight of tool resonance interference prevention function according to claim 8, it is characterized in that, the reading scan frequency of default respectively this state correspondence of this Wave-wide regulation controlled electric controller with a plurality of respectively with the corresponding frequency range of different reading scan frequencies, respectively this frequency range is not equal to the integral multiple of corresponding reading scan frequency, when this control element in this state one of them the time, the frequency of this Wave-wide regulation controlled electric controller output intermittent pulse signal in this frequency range one with the corresponding frequency range of reading scan frequency of the present place of this control element state.
14. the light source of tool resonance interference prevention function regulation and control module, be for being used for a TV and in order to control the keying of a light source, this TV is for reception and shows that one has the television image signal of a reading scan frequency, it is characterized in that, this light source regulation and control module comprises:
One Wave-wide regulation controlled electric controller, electrically connect this light source and in order to produce an intermittent pulse signal, open and close to control this light source, this Wave-wide regulation controlled electric controller default two respectively with the corresponding frequency range of different reading scan frequencies, this frequency range is not equal to the integral multiple of this correspondence reading scan frequency; And
One switch, be to electrically connect this Wave-wide regulation controlled electric controller and can be switched in an opening and a closed condition one, this state corresponds respectively to the pairing reading scan frequency of this different frequency scope, when this Wave-wide regulation controlled electric controller output intermittent pulse signal, this Wave-wide regulation controlled electric controller output frequency is between the intermittent pulse signal of the frequency range of the present place of this switch state correspondence, whereby, make the frequency of this Wave-wide regulation controlled electric controller output intermittent pulse signal be not equal to this control element current state the integral multiple of corresponding reading scan frequency.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100035434A CN101018281A (en) | 2006-02-09 | 2006-02-09 | TV with the resonance interference prevention function and its backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100035434A CN101018281A (en) | 2006-02-09 | 2006-02-09 | TV with the resonance interference prevention function and its backlight module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101018281A true CN101018281A (en) | 2007-08-15 |
Family
ID=38727022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006100035434A Pending CN101018281A (en) | 2006-02-09 | 2006-02-09 | TV with the resonance interference prevention function and its backlight module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101018281A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101534451B (en) * | 2008-03-13 | 2013-03-20 | 奇美电子股份有限公司 | Color correcting method, color correcting loop and display device |
| CN105374329A (en) * | 2015-11-13 | 2016-03-02 | 深圳Tcl新技术有限公司 | Red-pink tailing display control method of liquid crystal display device and liquid crystal display device |
| WO2021238362A1 (en) * | 2020-05-26 | 2021-12-02 | 海信视像科技股份有限公司 | Display apparatus |
-
2006
- 2006-02-09 CN CNA2006100035434A patent/CN101018281A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101534451B (en) * | 2008-03-13 | 2013-03-20 | 奇美电子股份有限公司 | Color correcting method, color correcting loop and display device |
| CN105374329A (en) * | 2015-11-13 | 2016-03-02 | 深圳Tcl新技术有限公司 | Red-pink tailing display control method of liquid crystal display device and liquid crystal display device |
| WO2017080189A1 (en) * | 2015-11-13 | 2017-05-18 | 深圳Tcl新技术有限公司 | Liquid crystal display device pink discoloration display control method and liquid crystal display device |
| WO2021238362A1 (en) * | 2020-05-26 | 2021-12-02 | 海信视像科技股份有限公司 | Display apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7161577B2 (en) | Liquid crystal display device | |
| CN110231735A (en) | Display device | |
| CN101131505B (en) | Liquid crystal display and driving method thereof | |
| US8368624B2 (en) | Display method with interlacing reversal scan and device thereof | |
| CN108269548A (en) | Display device and method for controlling backlight thereof | |
| CN102117600A (en) | Method for improving partitioned halation of LED (Light Emitting Diode) backlight source and control device thereof | |
| CN110379377B (en) | Display method and display device for improving dynamic blurring and preventing flicker | |
| KR101021444B1 (en) | Field Sequential color LCD and driving method thereof | |
| US20090109248A1 (en) | Display Apparatus Having a Multiplicity of Pixels and Method for Displaying Images | |
| CN110634453B (en) | Pixel charging method, pixel charging circuit, display device and display control method | |
| CN101414439A (en) | Display apparatus, quantity-of-light adjusting method for display apparatus and electronic equipment | |
| US9509983B2 (en) | Image display viewing system and image display device | |
| CN101388184B (en) | Method and apparatus for improving water noise of LCD | |
| CN103366693A (en) | Brightness compensating method and regional light modulating circuit thereof, and liquid crystal display | |
| CN107086029B (en) | Color generation method and device based on liquid crystal display module and readable storage medium | |
| US20100097308A1 (en) | Liquid crystal display device and method for driving a liquid crystal display device | |
| CN101018281A (en) | TV with the resonance interference prevention function and its backlight module | |
| US20070182696A1 (en) | Liquid crystal display device and controlling method thereof | |
| Chen et al. | Mixed color sequential technique for reducing color breakup and motion blur effects | |
| CN102254517A (en) | Display device capable of preventing resonance interference and operation method thereof | |
| EP1576571A1 (en) | Scrolling backlight device for lcd display panel | |
| TWI420500B (en) | Display device capable of controlling external lamps and control method thereof | |
| WO2013047230A1 (en) | Liquid crystal display device | |
| KR20090110378A (en) | Visual display system and method for displaying a video signal | |
| De Greef et al. | Adaptive scanning, 1‐D dimming, and boosting backlight for LCD‐TV systems |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |