CN111710306A - Self-luminous LCD (liquid crystal display) screen, display device and television - Google Patents
Self-luminous LCD (liquid crystal display) screen, display device and television Download PDFInfo
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- CN111710306A CN111710306A CN202010595758.XA CN202010595758A CN111710306A CN 111710306 A CN111710306 A CN 111710306A CN 202010595758 A CN202010595758 A CN 202010595758A CN 111710306 A CN111710306 A CN 111710306A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/3406—Control of illumination source
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
Abstract
The invention discloses a self-luminous LCD (liquid crystal display) screen, a display device and a television, which are used for receiving and displaying image signals of a main control chip and comprise: an LCD liquid crystal panel for driving; an OLED film for providing a backlight source; a driving circuit for driving the LCD panel and the OLED film; the drive circuit is connected with the main control chip, the LCD liquid crystal panel and the OLED film, and the OLED film is arranged on the LCD liquid crystal panel. According to the invention, the OLED film is arranged on the LCD liquid crystal panel, so that the thickness of the LCD liquid crystal screen is reduced while the LCD liquid crystal panel realizes self-luminescence.
Description
Technical Field
The invention relates to the field of displays, in particular to a self-luminous LCD (liquid crystal display) screen, a display device and a television.
Background
At present, several Display technologies exist in the market, such as LCD (Liquid Crystal Display), OLED (organic light-Emitting Diode), Mini LED (Mini light-Emitting Diode), Micro LED (Micro light-Emitting Diode), and the like.
Because the Mini LED and Micro LED technologies are the latest display technologies, the huge transfer problem needs to be solved, and many scientists and engineers are still involved at present; moreover, the OLED process is complex, the cost is high, and the phenomenon of screen burn-in due to ghost exists. Therefore, the LCD display with the highest popularity is also on the market at present.
However, the LCD display technology requires LEDs as backlight sources, and compared with other displays, the LCD display technology has a relatively high thickness, and is not advantageous in the case that the thickness of the display tends to be ultra-thin.
Thus, the prior art has yet to be improved and enhanced.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, it is an object of the present invention to provide a self-luminous LCD panel, a display device and a television set, which enable the LCD panel to realize self-luminescence and reduce the thickness of the LCD panel by disposing an OLED film on the LCD panel.
In order to achieve the purpose, the invention adopts the following technical scheme:
a self-luminous LCD liquid crystal screen is used for receiving image signals of a main control chip for display and comprises:
an LCD liquid crystal panel for driving;
an OLED film for providing a backlight source;
a driving circuit for driving the LCD panel and the OLED film;
the drive circuit is connected with the main control chip, the LCD liquid crystal panel and the OLED film, and the OLED film is arranged on the LCD liquid crystal panel. According to the embodiment, the OLED film is used for replacing the LED backlight module to emit light, so that the self-luminescence of the LCD screen is realized, and the thickness of the LCD screen is reduced.
The OLED film is of a single-layer structure, a double-layer structure, a three-layer structure or a multi-layer structure. So that the LCD liquid crystal panel can be adapted to OLED films of various structures.
The OLED film with the multilayer structure comprises an anode, a hole injection layer, a hole transport layer, an organic light-emitting layer, an electron transport layer, an electron injection layer and a cathode; the anode, the hole injection layer, the hole transport layer, the organic light emitting layer, the electron transport layer, the electron injection layer and the cathode are sequentially arranged on the LCD liquid crystal panel.
The anode, the hole injection layer, the hole transport layer, the organic luminescent layer, the electron transport layer, the electron injection layer and the cathode are sequentially plated on a glass substrate of the LCD liquid crystal plate in a vacuum evaporation mode. In the present embodiment, the hole injection rate is increased by the hole injection layer and the hole transport layer, and the electron injection rate is increased by the electron transport layer and the electron injection layer.
The drive circuit includes: an LCD driving circuit for driving the LCD panel; the OLED driving circuit is used for driving the OLED film to emit light; the LCD driving circuit is connected with the LCD liquid crystal panel and the main control chip, the OLED driving circuit is connected with the OLED film and the main control chip, and the LCD driving circuit is further connected with the OLED driving circuit. The embodiment realizes the driving of the LCD liquid crystal panel and the OLED film through the LCD driving circuit and the OLED driving circuit.
The LCD driving circuit and the OLED driving circuit are communicated in a synchronous driving mode to synchronously control the LCD liquid crystal panel and the OLED film respectively. In the embodiment, the LCD driving circuit and the OLED driving circuit are in synchronous communication, so that the light control synchronization of each pixel point is realized, the pixel level backlight control is realized, and the image contrast is improved; and because the control of the pixels is accurate, only the pixel points needing to emit light can be lightened, and the energy conservation of the whole machine is realized.
The organic light emitting layer is a blue organic light emitting layer, so that the production cost is reduced.
A display device comprises a display device body, wherein the self-luminous LCD liquid crystal screen, a main control chip and a power supply are arranged in the display device body; the self-luminous LCD screen is connected with the main control chip and is used for receiving image signals of the main control chip to display; the power supply is connected with the self-luminous LCD screen and the main control chip and used for supplying power to the self-luminous LCD screen and the main control chip.
The main control chip is a television main chip.
A television comprises a television body, wherein the television body is provided with the self-luminous LCD screen, a television main board and a power supply; the self-luminous LCD screen is connected with the television main chip and the power supply and is used for receiving and displaying image signals of the television main chip.
Compared with the prior art, the self-luminous LCD provided by the invention is used for receiving the image signal of the main control chip for displaying, and comprises the following components: an LCD liquid crystal panel for driving; an OLED film for providing a backlight source; a driving circuit for driving the LCD panel and the OLED film; the drive circuit is connected with the main control chip, the LCD liquid crystal panel and the OLED film, and the OLED film is arranged on the LCD liquid crystal panel. According to the invention, the OLED film is arranged on the LCD liquid crystal panel, so that the thickness of the LCD liquid crystal screen is reduced while the LCD liquid crystal panel realizes self-luminescence.
Drawings
FIG. 1 is a functional block diagram of a self-luminous LCD panel according to the present invention;
FIG. 2 is a structural diagram of an LCD liquid crystal panel and an OLED film provided by the present invention;
FIG. 3 is a structural diagram of a single-layer OLED film provided by the present invention;
FIG. 4 is a structural diagram of a double-layer OLED film according to the present invention;
FIG. 5 is a structural diagram of another double-layer OLED film provided by the present invention;
FIG. 6 is a structural diagram of an OLED film with a three-layer structure provided by the present invention;
FIG. 7 is a structural diagram of an OLED film with a multi-layer structure provided by the present invention.
Detailed Description
In view of the problems in the prior art, the invention provides a self-luminous LCD liquid crystal screen, a display device and a television, wherein the OLED film is arranged on the LCD liquid crystal panel, so that the thickness of the LCD liquid crystal screen is reduced while the LCD liquid crystal panel realizes self-luminous.
The embodiments of the present invention are intended to explain technical concepts of the present invention, technical problems to be solved, technical features constituting technical solutions, and technical effects to be brought about in more detail. The embodiments are explained below, but the scope of the present invention is not limited thereto. Further, the technical features of the embodiments described below may be combined with each other as long as they do not conflict with each other.
The LCD (Liquid Crystal Display) is constructed by placing a Liquid Crystal box between two parallel glass substrates, arranging TFT (thin film transistor) on the lower substrate glass, arranging a color filter on the upper substrate glass, and controlling the rotation direction of Liquid Crystal molecules by changing the signal and voltage on the TFT, so as to control whether polarized light of each pixel point is emitted or not to achieve the purpose of Display.
In a complete LCD display system, an LCD display, a control main board and a power supply are included. The power supply supplies power to the control main board and the LCD, image information is sent to the LCD through the control main board, and the LCD controls the rotation direction of liquid crystal molecules according to the image information and controls light to penetrate out so as to display images.
A typical LCD display includes an LCD panel, an LED backlight module, and an LCD driving circuit. The power supply supplies power to the LCD driving circuit and the LED backlight module; the LCD driving circuit receives the image signal sent by the main control chip and drives the LCD liquid crystal panel to work according to the image signal, so that liquid crystal molecules control whether polarized light of each pixel point of the LED is emitted or not according to the rotation direction of the image signal to achieve the aim of image display.
Because the LCD display needs the LED backlight module to provide light source, but the thickness of the LED backlight module is larger, and the thickness after the LCD liquid crystal panel and the LED backlight module are combined is much larger than that of the OLED, Mini LED, Micro LED and other displays, there is no competitive advantage in the trend that the current display is increasingly ultra-thin.
In view of the problem of the prior art that the LCD display has a large thickness, referring to fig. 1 and fig. 2, the present invention provides a self-luminous LCD screen 10 for receiving the image signal from the main control chip 20 for displaying, including: an LCD liquid crystal panel 100 for driving; an OLED film 200 for providing a backlight; a driving circuit 300 for driving the LCD panel 100 and the OLED film 200; the driving circuit 300 is connected to the main control chip 20, the LCD panel 100 and the OLED film 200, and the OLED film 200 is disposed on the LCD panel 100.
In the embodiment, the OLED film 200 is disposed on the LCD panel 100, and the OLED film 200 replaces an LED backlight module, and since OLED pixels in the OLED film 200 can emit light, an additional light guide plate is not required for assistance, and the thickness of the film is very small, the thickness of the LCD screen 10 is greatly reduced. Specifically, the OLED film 200 is disposed on the lower glass substrate of the LCD panel 100, when the driving circuit 300 drives the OLED film 200 to electrically excite light, light is emitted from the lower glass substrate, and the driving circuit 300 controls the arrangement of liquid crystal molecules in the LCD panel 100 to achieve the purpose of shading and transmitting light, so as to achieve the brightness change of each pixel point, and at the same time, the three-color filter layer in the LCD panel changes continuously to achieve color image display.
Further, referring to fig. 3 to 6, the OLED film 200 has a single-layer structure, a double-layer structure, a three-layer structure, or a multi-layer structure.
Referring to fig. 3, the OLED film 200 with a single-layer structure includes an anode 201 (an ITO film, i.e., an ITO transparent conductive film), an organic light-emitting layer 204, and a cathode 207. The thickness of the organic light emitting layer 204 is typically 100 nm. By applying a voltage across the anode 201 and the cathode 207, the generated electrons pass through the organic layer, in the process the electrons release energy in the form of photons and thus emit light. The anode 201, the organic light emitting layer 204 and the cathode 207 are sequentially coated on the glass substrate of the LCD panel 100 by vacuum evaporation.
Referring to fig. 4 and 5, the OLED film 200 with a double-layer structure includes an anode 201(ITO film, i.e., indium tin oxide semiconductor transparent conductive film), an organic light emitting layer 204, a cathode 207, and a hole transport layer 203 or an electron transport layer 205. A hole transport layer 203 is provided on the anode 201, or an electron transport layer 205 is provided on the cathode 207. The hole transport layer 203 has a good hole transport property to improve hole mobility, and the electron transport layer 205 has a good electron affinity property to enable improvement of electron mobility. When voltage is applied to the anode 201 and the cathode 207, the hole transport layer 203 acts as a barrier to electrons, and the hole transport layer 203 regulates the rate of injection of holes and electrons into the light-emitting layer, so that the injected electrons and holes are recombined at the organic light-emitting layer 204, and photons are excited to release energy to emit light. Similarly, when a voltage is applied to the anode 201 and the cathode 207, the rate of electron injection is controlled by the electron transport layer 205, and the light emission efficiency is improved. The anode 201, the hole transport layer 203, the organic light emitting layer 204 and the cathode 207 are sequentially disposed on the LCD liquid crystal panel 100; or the anode 201, the organic light emitting layer 204, the electron transport layer 205 and the cathode 207 are sequentially coated on the glass substrate of the LCD panel 100 by vacuum evaporation.
Referring to fig. 6, the OLED thin film 200 with a three-layer structure includes an anode 201 (an ITO thin film, i.e., an ITO transparent conductive film), a hole transport layer 203, an organic light emitting layer 204, an electron transport layer 205, and a cathode 207; the hole transport layer 203 is disposed between the anode 201 and the organic light emitting layer 204, and the electron transport layer 205 is disposed between the cathode 207 and the organic light emitting layer 204. The injection rate of holes and electrons is adjusted simultaneously by the hole transport layer 203 and the electron transport layer 205, so that the recombination rate of electrons and holes in the organic light emitting layer 204 is faster. The anode 201, the hole transport layer 203, the organic light emitting layer 204, the electron transport layer 205 and the cathode 207 are sequentially coated on the glass substrate of the LCD panel 100 by vacuum evaporation.
Referring to fig. 7, the OLED thin film 200 having a multi-layer structure includes an anode 201 (an ITO thin film, i.e., an ITO transparent conductive film), a hole injection layer 202, a hole transport layer 203, an organic light emitting layer 204, an electron transport layer 205, an electron injection layer 206, and a cathode 207; the anode 201, the hole injection layer 202, the hole transport layer 203, the organic light emitting layer 204, the electron transport layer 205, the electron injection layer 206, and the cathode 207 are sequentially disposed on the LCD liquid crystal panel 100. The present embodiment increases the hole injection rate by the hole injection layer 202 and the hole transport layer 203, and increases the electron injection rate by the electron transport layer 205 and the electron injection layer 206. When the anode 201 and the cathode 207 are energized, electrons and holes are injected from the cathode 207 and the anode 201, respectively, into the electron injection layer 206 and the hole injection layer 202 sandwiched between the electrodes by an electric field. The injected electrons and holes migrate from the electron transport layer 205 and the hole transport layer 203, respectively, toward the organic light emitting layer 204. After the electrons and the holes are injected into the organic light emitting layer 204, the electrons and the holes are correspondingly bound together by the action of the electron force to form electron-hole pairs, thereby forming excitons. The exciton emits photons through radiative transition, releasing energy and emitting light. Hole and electron transport rates are higher compared to single layers of hole transport layer 203 and electron transport layer 205.
Specifically, the anode 201, the hole injection layer 202, the hole transport layer 203, the organic light emitting layer 204, the electron transport layer 205, the electron injection layer 206 and the cathode 207 are sequentially coated on the glass substrate of the LCD panel 100 by vacuum evaporation. After vacuum evaporation, the LCD panel 100 and the OLED film 200 are packaged in a dry and oxygen-free environment. Avoid the organic material being easy to react with moisture or oxygen to generate Dark spot (Dark spot) and make the device not shine.
Further, the driving circuit includes: an LCD drive circuit 301 for driving the LCD liquid crystal panel 100; an OLED driving circuit 302 for driving the OLED thin film 200 to emit light; the LCD driving circuit 301 is connected to the LCD liquid crystal panel 100 and the main control chip 20, the OLED driving circuit 302 is connected to the OLED thin film 200 and the main control chip 20, and the LCD driving circuit 301 is further connected to the OLED driving circuit 302. The LCD driving circuit 301 and the OLED driving circuit 302 communicate in a synchronous driving manner to synchronously control the LCD liquid crystal panel 100 and the OLED thin film 200, respectively.
In specific implementation, in this embodiment, after the LCD driving circuit 301 is powered on, the LCD driving circuit receives the image signal sent by the main control chip 20, and then generates a driving signal according to the image signal, and changes the arrangement status of the liquid crystal components of the LCD panel 100 through the driving signal; when the LCD driving circuit 301 receives an image signal, the OLED driving circuit 302 is communicated with a synchronous signal; when the LCD driving circuit 301 drives the LCD liquid crystal panel 100, the OLED driving circuit 302 can simultaneously drive the OLED thin film 200 to emit light, so that light control synchronization of each pixel point is realized, pixel-level backlight control is realized, and image contrast is improved; and because the control of the pixels is accurate, only the pixel points needing to emit light can be lightened, and the energy conservation of the whole machine is realized.
It should be noted that the image Signal is a V-by-One (V-by-One is a digital interface standard developed specifically for image transmission) or an LVDS (Low-Voltage Differential Signal) Signal.
Further, the organic light emitting layer 204 is a blue organic light emitting layer 204. The blue light emitting material has a lower cost than the red light emitting material and the green light emitting material, and the use of the separate blue organic light emitting layer 204 can reduce the cost. The blue OLED film 200 is energized to emit light from the blue light emitting layer, and simultaneously, each pixel switch of the LCD panel 100 implements brightness and RGB color change for each pixel, thereby implementing a complete electroluminescence effect of the three-color OLED.
Based on the self-luminous LCD screen 10, the invention also provides a display device, which comprises a display device body, wherein the self-luminous LCD screen 10, the main control chip 20 and the power supply 30 are arranged in the display device body; the self-luminous LCD screen 10 is connected with the main control chip 20 and is used for receiving image signals of the main control chip 20 for display; the power supply 30 is connected with the self-luminous LCD screen 10 and the main control chip 20, and is configured to supply power to the self-luminous LCD screen 10 and the main control chip 20.
Specifically, in this embodiment, the power supply 30 supplies power to the LCD screen 10 and the main control chip 20, the LCD screen 10 receives the image signal sent by the main control chip 20, and the LCD driving circuit 301 and the OLED driving circuit 302 in the LCD screen 10 respectively start the LCD liquid crystal panel 100 and the OLED film 200 to work, so that the LCD displays images in a self-luminous manner, the LED backlight module is removed, and the thickness of the LCD screen 10 is reduced. In particular, in this embodiment, the main control chip 20 is a television main chip, and may also be other types of control chips. Since the LCD liquid crystal screen 10 has been described in detail above, it will not be described in detail.
A television comprises a television body, wherein the television body is provided with a self-luminous LCD (liquid crystal display) screen 10, a television main board and a power supply 30; the self-luminous LCD screen 10 is connected with the television main chip and the power supply 30 and is used for receiving and displaying image signals of the television main chip.
In this embodiment, the LCD screen 10 and the television main board are powered by the power supply 30, after the television main board is powered on, the television main chip is powered on and sends an image signal to the LCD screen 10, the LCD screen 10 receives the image signal sent by the television main chip, the LCD driving circuit 301 and the OLED driving circuit 302 in the LCD screen 10 respectively start the LCD liquid crystal panel 100 and the OLED film 200 to operate, so that the LCD displays images in a self-luminous manner, the LED backlight module is removed, and the thickness of the LCD screen 10 is reduced because the LCD screen 10 has been described in detail above, which is not described in detail herein.
In summary, the self-luminous LCD screen provided by the present invention is used for receiving an image signal from a main control chip for displaying, and includes: an LCD liquid crystal panel for driving; an OLED film for providing a backlight source; a driving circuit for driving the LCD panel and the OLED film; the drive circuit is connected with the main control chip, the LCD liquid crystal panel and the OLED film, and the OLED film is arranged on the LCD liquid crystal panel. According to the invention, the OLED film is arranged on the LCD liquid crystal panel, so that the thickness of the LCD liquid crystal screen is reduced while the LCD liquid crystal panel realizes self-luminescence.
It should be understood that equivalents and modifications of the technical solution and inventive concept thereof may occur to those skilled in the art, and all such modifications and alterations should fall within the scope of the appended claims.
Claims (10)
1. A self-luminous LCD liquid crystal screen is used for receiving image signals of a main control chip for displaying, and is characterized by comprising:
an LCD liquid crystal panel for driving;
an OLED film for providing a backlight source;
a driving circuit for driving the LCD panel and the OLED film;
the drive circuit is connected with the main control chip, the LCD liquid crystal panel and the OLED film, and the OLED film is arranged on the LCD liquid crystal panel.
2. The self-luminous LCD liquid crystal screen according to claim 1, wherein the OLED thin film has a single layer structure, a double layer structure, a triple layer structure or a multi-layer structure.
3. The self-luminous LCD liquid crystal screen according to claim 2, wherein the OLED thin film of the multilayer structure comprises an anode, a hole injection layer, a hole transport layer, an organic light emitting layer, an electron transport layer, an electron injection layer and a cathode;
the anode, the hole injection layer, the hole transport layer, the organic light emitting layer, the electron transport layer, the electron injection layer and the cathode are sequentially arranged on the LCD liquid crystal panel.
4. The self-luminous LCD liquid crystal screen of claim 3, wherein the anode, the hole injection layer, the hole transport layer, the organic light emitting layer, the electron transport layer, the electron injection layer and the cathode are sequentially coated on the glass substrate of the LCD liquid crystal panel by vacuum evaporation.
5. The self-luminous LCD liquid crystal screen according to claim 4, wherein the driving circuit comprises:
an LCD driving circuit for driving the LCD panel;
the OLED driving circuit is used for driving the OLED film to emit light;
the LCD driving circuit is connected with the LCD liquid crystal panel and the main control chip, the OLED driving circuit is connected with the OLED film and the main control chip, and the LCD driving circuit is further connected with the OLED driving circuit.
6. The self-luminous LCD liquid crystal screen according to claim 5, wherein the organic light emitting layer is a blue organic light emitting layer.
7. The self-luminous LCD liquid crystal screen of claim 6, wherein the LCD driving circuit and the OLED driving circuit communicate in a synchronous driving manner to synchronously control the LCD liquid crystal panel and the OLED film, respectively.
8. A display device, comprising a display device body, wherein the self-luminous LCD liquid crystal screen, the main control chip and the power supply of any one of claims 1 to 7 are arranged in the display device body;
the self-luminous LCD screen is connected with the main control chip and is used for receiving image signals of the main control chip to display;
the power supply is connected with the self-luminous LCD screen and the main control chip and used for supplying power to the self-luminous LCD screen and the main control chip.
9. The display device according to claim 8, wherein the main control chip is a television main chip.
10. A television set, characterized in that, comprising a television set body, the self-luminous LCD screen, the television main board and the power supply of any one of claims 1 to 7 are arranged on the television set body;
the self-luminous LCD screen is connected with the television main chip and the power supply and is used for receiving and displaying image signals of the television main chip.
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| US11380250B1 (en) | 2021-04-28 | 2022-07-05 | Shih-Hsien Tseng | Display apparatus having a self-luminous pixel module and a first non-self-luminous pixel module driven by a pulse width modulation driving circuit |
| CN115542613A (en) * | 2022-11-29 | 2022-12-30 | 观洲微电子(上海)有限公司 | Manufacturing process of TFT display module with AMOLED as backlight source |
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