TWI683295B - Display device with optical wireless communication function - Google Patents

Abstract

A display device with optical wireless communication function includes a display panel and a control circuit. The display panel includes a display pixel region for displaying images and an IR signal pixel region for transmitting optical signals. The display pixel region provides larger optical transmittance in a visible light spectrum than in an IR light spectrum. The IR signal pixel region provides larger optical transmittance in the IR light spectrum than in the visible light spectrum. The control circuit is configured to provide control signals for operating the display panel to display the images and transmit the optical signals.

Description

Display device with optical wireless communication function

The invention relates to a display device with optical wireless communication function, in particular to a display device using infrared light for optical wireless communication function.

Compared with traditional incandescent light bulbs, light emitting diodes (LEDs) have the advantages of low power consumption, long component life, small size, no need to warm up time and fast response speed, etc., and can be made according to application needs. Into very small or array-like components. In addition to outdoor displays, traffic signal lights, and various consumer electronic products, such as mobile phones, notebook computers, or LCD display screen backlights, LEDs are also widely used in various indoor and outdoor lighting devices To replace fluorescent tubes or incandescent bulbs.

With the large demand and development of global communication, optical wireless communication has become an important part of the deployment of communication systems. LED visible light transmission technology uses LEDs to emit high-speed flashing signals that are not visible to the naked eye, and then wirelessly transmit optical signals. In addition to the advantages of large transmission capacity, optical wireless communication has a narrow beam and a very directional beam, so its confidentiality is much safer than that of conventional microwave wireless systems. In addition, visible light wireless communication can avoid the general wireless local area network or high-frequency wireless transmission of electromagnetic waves to the human body and surrounding electricity. The sub-device causes interference, and can replace the wireless base station, and has the characteristics of high security.

The existing optical wireless communication system uses LED backlight signal modulation technology. The display on the sending end sends fast-flashing digital signals (logic 1 and logic 0) by controlling the update frequency of the LED backlight module. The receiving end device is equipped with a dedicated application The image sensor of the program receives and recognizes the digital signal that the human eye cannot recognize. However, the above backlight signal modulation technology operates at a high frequency. In addition to increasing the power consumption of the backlight module and affecting the image brightness, it may not be possible to adjust or cause the display to display the preset incorrectly in the low-brightness backlight usage mode. Image screen.

The invention provides a display device with optical wireless communication function, which comprises a display panel and a control circuit. The display panel includes a display pixel area for displaying images and an infrared light signal pixel area for sending optical signals, wherein the light transmittance of the display pixel area to a visible light wave area is greater than the light to an infrared light wave area Transmittance, and the light transmittance of the infrared light signal pixel area to the infrared light wave area is greater than the light transmittance to the visible light wave area. The control circuit is used to provide the control signal required by the display panel when displaying the image and transmitting the optical signal.

10‧‧‧Display panel

12‧‧‧Display pixel area

14‧‧‧ Infrared light signal pixel area

20‧‧‧Control circuit

100‧‧‧Display device

110‧‧‧Color filter substrate

120‧‧‧thin film transistor substrate

130‧‧‧Liquid crystal layer

140‧‧‧Backlight module

150‧‧‧Infrared light guide plate

210‧‧‧Upper substrate

220‧‧‧Lower substrate

230‧‧‧Insulation

R‧‧‧ Red pixel

G‧‧‧green pixel

B‧‧‧ Blu-ray pixel

IR‧‧‧Infrared light pixels

L‧‧‧Light

L _R ‧‧‧ Red light

L _G ‧‧‧ green light

L _B ‧‧‧ Blu-ray

L _IR ‧‧‧ infrared light

A _R ‧‧‧Red self-illumination

A _G ‧‧‧ green light emitting body

A _B ‧‧‧ Blue self-illumination

A _W ‧‧‧White light self-illumination

A _IR ‧‧‧Infrared self-illumination

LED _W ‧‧‧ white light emitting diode

LED _IR ‧‧‧Infrared light emitting diode

F _R , F _G , F _B ‧‧‧ color filter

F _IR ‧‧‧ visible light filter

D _IMAGE ‧‧‧ image data

D _SIGNAL ‧‧‧ Optical signal

SW, SW _R , SW _G , SW _B , SW _IR ‧‧‧ switch

S _R , S _G , S _B , S _IR ‧‧‧ control signal

FIG. 1 is a functional block diagram of a display device with optical wireless communication function according to an embodiment of the present invention.

FIG. 2 is a schematic diagram of the appearance of a display device in an embodiment of the invention.

FIG. 3 is a timing diagram of the driving method of the display device in the embodiment of the present invention.

FIG. 4 is a schematic diagram of an implementation manner of a display panel of a display device in an embodiment of the invention.

FIG. 5 is a schematic diagram of an implementation manner of a display panel of a display device in another embodiment of the invention.

FIG. 6 is a schematic diagram of an implementation manner of a display panel of a display device in another embodiment of the invention.

FIG. 7 is a schematic diagram of an implementation manner of a display panel of a display device in another embodiment of the invention.

FIG. 8 is a schematic diagram of an implementation manner of a display panel of a display device in another embodiment of the invention.

FIG. 1 is a functional block diagram of a display device 100 with optical wireless communication function according to an embodiment of the present invention. The display device 100 includes a display panel 10 and a control circuit 20. The display panel 10 includes a display pixel area 12 and an infrared light signal pixel area 14. The light transmittance of the display pixel area 12 to the visible light wave area (for example: wavelength range is 0.35~0.85um) is greater than that for the infrared light wave area (for example: wavelength range is 0.75~1000um), and the infrared light signal pixel The light transmittance of the region 14 to the infrared light wave region is greater than that to the visible light wave region. The display panel 10 can display images with visible light in the display pixel area 12 and transmit optical signals (digital logic 1 and logic 0) with infrared light in the infrared light signal pixel area 14. The control circuit 20 is used to provide the control signals required by the display panel 10 when displaying images and sending optical signals, so that the signal update frequency in the display pixel area 12 is different from the signal update frequency in the infrared light signal pixel area 14.

In another embodiment of the present invention, the light transmittance of the display pixel area 12 to the infrared light wave area is at least less than 50% of the original energy attenuation of its incident light, and the light transmittance of the infrared light signal pixel area 14 to the visible light wave area At least less than 50% of the original energy attenuation of its incident light Less.

FIG. 2 is a schematic diagram of the appearance of the display device 100 in the embodiment of the present invention. In this embodiment, a plurality of red pixels R, green pixels G, and blue pixels B are provided in the display pixel area 12, and a plurality of infrared pixels IR are provided in the infrared light signal pixel area 14. In the embodiment of the present invention, the total area of the display pixel area 12 is greater than the total area of the infrared light signal pixel area 14, but the shape and layout of the red pixel R, green pixel G, blue pixel, and infrared pixel IR are not Limit the scope of the invention.

FIG. 3 is a timing diagram of the driving method of the display device 100 in the embodiment of the present invention. The control circuit 20 can generate a control signal S _R to drive red pixels R, a control signal S _G to drive green pixels G, a control signal S _B to drive blue pixels B, and a control signal S _IR to drive infrared pixels IR. As shown in FIG. 3, the update frequency of the display image data D _IMAGE provided by the display pixel area 12 is different from the update frequency of the optical signal data D _SIGNAL provided by the infrared light signal pixel area 14.

FIG. 4 is a schematic diagram of an implementation manner of the display panel 10 of the display device 100 in the embodiment of the present invention. In this embodiment, the display panel 10 is a liquid crystal module (LCM), which includes a color filter substrate 110, a thin film transistor (TFT) substrate 120, and a liquid crystal layer 130 , And a backlight module 140. The liquid crystal layer 130 is provided between the color filter substrate 110 and the thin film transistor substrate 120. The backlight module 140 is disposed on the light incident side of the thin film transistor substrate 120, and includes a white light emitting diode LED _W and an infrared light emitting diode LED _IR to provide light L on the light emitting side. The thin film transistor substrate 120 receives the light L on the light entrance side, and a plurality of switches SW are provided on the light exit side corresponding to each pixel in the display pixel area 12 and the infrared light signal pixel area 14, which can control the light L in phase Transmittance at the corresponding pixel. The color filter substrate 110 is provided with a plurality of color filters F _R , F _G and F _B on the light incident side corresponding to each pixel in the display pixel area 12, and corresponds to the infrared light signal on the light incident side A plurality of visible light filters F _IR are provided at each pixel in the pixel area 14. To simplify the explanation, FIG. 4 shows only three color filters F _R , F _G , and F _B and one visible light filter F _IR . The color filters F _R , F _G , F _B and the visible light filter F _IR allow components in a specific wavelength range in the light L to pass and filter out components in other wavelength ranges in the light L, in which the filter F _R allows The red light L _R in the light L passes (the wavelength range is about 625 nm to 750 nm), and the filter F _G allows the green light L _G in the light L to pass (the wavelength range is about 500 nm to 565 nm), the filter F _B The blue light L _B in the light L can be passed (wavelength range is about 440nm~485nm), and the visible light filter F _IR can pass the infrared light L _IR in the light L (wavelength greater than 850nm). By energizing the color filter substrate 110 and the thin film transistor substrate 120, the arrangement of liquid crystal molecules in the liquid crystal layer 130 can be changed to adjust the polarization of the light L, and the red light L _R and green can be adjusted with the switch SW on or off The ratio of light L _G and blue light L _B is used to display pictures with different light intensities and colors, and the intensity of infrared light L _IR is adjusted to send bright (logic 1) and dark (logic 0) optical signals.

In the embodiment shown in FIG. 4, the control circuit 20 (not shown in FIG. 4) can generate the control signals S _R , S _G , S _B , and S _IR to turn on the switch SW to adjust the red light L _R , green The signal frequencies of the light L _G , blue light L _B and infrared light L _IR make the signal update frequency in the display pixel area 12 different from the signal update frequency in the infrared light signal pixel area 14. Alternatively, the control circuit 20 (not shown in FIG. 4) can also generate control signals for driving the white light-emitting diode LED and the infrared light-emitting diode LED _IR , respectively, and adjust the light source modulation of the backlight module 140 to adjust separately The signal frequency of red light L _R , green light L _G , blue light L _B and infrared light I _IR makes the signal update frequency in the display pixel area 12 different from the signal update frequency in the infrared light signal pixel area 14.

FIG. 5 is a schematic diagram of an implementation manner of the display panel 10 of the display device 100 in another embodiment of the invention. In this embodiment, the display panel 10 is a liquid crystal module, which includes a color filter substrate 110, a thin film transistor substrate 120, a liquid crystal layer 130, a backlight module 140, and an infrared light guide plate 150. The liquid crystal layer 130 is provided between the color filter substrate 110 and the thin film transistor substrate 120. The backlight module 140 is disposed on the light incident side of the thin film transistor substrate 120, and includes a white light emitting diode LED _W to provide light L. The thin film transistor substrate 120 receives the light L on the light entrance side, and a plurality of switches SW are provided on the light exit side corresponding to each pixel in the display pixel area 12, which can control the penetration of the light L at the corresponding pixel rate. The color filter substrate 110 is provided with a plurality of color filters F _R , F _G and F _B in an area corresponding to the display pixel area 12 on the light incident side. To simplify the explanation, Fig. 5 shows only three color filters F _R , F _G , and F _B. The color filters F _R , F _G , and F _B allow components in a specific wavelength range in the light L to pass through and filter out components in other wavelength ranges in the light L, where the filter F _R allows red light L in the light L _R passes (the wavelength range is about 625nm~750nm), the filter F _G can pass the green light L _G in the light L (the wavelength range is about 500nm~565nm), and the filter F _B can let the light L by the blue light L _B (the wavelength range of about 440nm ~ 485nm). The infrared light guide plate 150 is disposed on the light exit side of the color filter substrate 110, and the red light L _IR emitted by the infrared light emitting diode LED _IR provided on the side thereof can be directed to the light exit surface of the infrared light guide plate 150. At the same time, the infrared light guide plate 150 can be made of a transparent material with high transmittance to visible light, so it will not affect the light extraction process of the red light L _R , the green light L _G and the blue light L _B. By energizing the color filter substrate 110 and the thin film transistor substrate 120, the arrangement of liquid crystal molecules in the liquid crystal layer 130 can be changed to adjust the polarization of the light L, and the red light L _R and green can be adjusted with the switch SW on or off The ratio of light L _G and blue light L _B to display pictures with different light intensities and colors. On the other hand, the intensity of the infrared light L _IR can be adjusted by adjusting the light source of the infrared light emitting diode LED _IR , and then an optical signal of bright (logic 1) and dark (logic 0) is sent.

In the embodiment illustrated in FIG. 5, the control circuit 20 (not shown in FIG. 5) may be generated and turn on the switch SW infrared light emitting diode LED _IR of the control signal _{S R, S G, S B} , S IR The signal frequencies of the red light L _R , the green light L _G , the blue light L _B and the infrared light L _IR are adjusted respectively, so that the signal update frequency in the display pixel area 12 is different from the signal update frequency in the infrared light signal pixel area 14.

FIG. 6 is a schematic diagram of an implementation manner of the display panel 10 of the display device 100 in another embodiment of the invention. In this embodiment, the display panel 10 is a self-luminous panel, which includes an upper substrate 210, a lower substrate 220, an insulating layer 230, a plurality of red light-emitting bodies _AR , and a plurality of green light-emitting bodies _AG , A plurality of blue light emitting bodies A _B , a plurality of infrared light emitting bodies A _IR , and a plurality of switches SW _R , SW _G , SW _B and SW _IR . In order to simplify the description, Figure 6 only shows a single red light emitting body A _R , a single green light emitting body A _G , a single blue light emitting body A _B , a single infrared light emitting body A _IR , and four switches SW _R , SW _G , SW _B and SW _IR . An insulating layer 230, each self-luminous body, and each switch are formed between the upper substrate 210 and the lower substrate 220. The switches SW _R , SW _G and SW _{B are} disposed on the lower substrate 220 corresponding to each pixel in the display pixel area 12, and the switch SW _{IR is} disposed on the lower substrate 220 corresponding to each pixel in the infrared light signal pixel area 14 Place. The insulating layer 230 is formed on the lower substrate 220 to cover the switches SW _R , SW _G , SW _B and SW _IR . The red light-emitting body _AR , the green light-emitting body _AG, and the blue light-emitting body _{AB are} disposed on the insulating layer 230 at positions corresponding to each pixel in the display pixel area 12, and are respectively controlled by switches SW _R , SW _G, and SW _B controls the frequency of the red light L _R , green light L _G and blue light L _B. The infrared light self-luminous body A _{IR is} disposed on the insulating layer 230 corresponding to each pixel in the infrared light signal pixel area 14, and the light emission frequency of the infrared light L _IR is controlled by the switch SW _IR . The control circuit 20 (not shown in FIG. 6) may generate turn on the switch SW _R, SW _G, SW _B, and SW _IR of the control signal _{S R, S G, S B} , S IR emitter to change from red A _R, The light emitting frequencies of the green light emitting body A _G , the blue light emitting body A _B, and the infrared light emitting body A _IR , and then adjusting the ratio of red light L _R , green light L _G , and blue light L _B to display different light intensities and colors And adjust the intensity of the infrared light L _IR to send out bright (logic 1) and dark (logic 0) optical signals, and make the signal update frequency in the display pixel area 12 different from that in the infrared light signal pixel area 14 Signal update frequency.

FIG. 7 is a schematic diagram of an implementation manner of the display panel 10 of the display device 100 in another embodiment of the invention. The display device 100 includes an upper substrate 210, a lower substrate 220, an insulating layer 230, a plurality of red light emitting bodies A _R , a plurality of green light emitting bodies A _G , a plurality of blue light emitting bodies A _B , a plurality of white lights The self-illuminating body A _W , a visible light filter F _IR , and a plurality of switches SW _R , SW _G , SW _B and SW _IR . In order to simplify the description, FIG. 7 only shows a single red light emitting body A _R , a single green light emitting body A _G , a single blue light emitting body A _B , a single white light emitting body A _W , and four switches SW _R , SW _G , SW _B and SW _IR . The switches SW _R , SW _G and SW _{B are} disposed in the area corresponding to the display pixel area 12 on the lower substrate 220, and the switch SW _{IR is} disposed in the area corresponding to the infrared light signal pixel area 14 on the lower substrate 220. The insulating layer 230 is formed on the lower substrate 220 to cover the switches SW _R , SW _G , SW _B and SW _IR . The red light-emitting body A _R , the green light-emitting body A _G and the blue light-emitting body A _{B are} disposed on the insulating layer 230 in a region corresponding to the display pixel area 12, and are respectively provided by switches SW _R , SW _G and SW _B Control the light emission frequency of red light L _R , green light L _G and blue light L _B. The white light self-illuminating body A _{W is} disposed on the insulating layer 230 in an area corresponding to the infrared light signal pixel area 14. After passing through the visible light filter F _IR , only the infrared light L _IR can pass (the wavelength is greater than 850 nm). L _IR to control the infrared light by the optical frequency of the switch SW _IR. The control circuit 20 (not shown in FIG. 7) can generate open switch SW _R, SW _G, SW _B, and SW _IR of the control signal _{S R, S G, S B} , S IR emitter to change from red A _R, The light emitting frequencies of the green light emitting body A _G , the blue light emitting body A _B and the white light emitting body A _W , and then adjusting the ratio of the red light L _R , green light L _G and blue light L _B to display different light intensities and colors Screen, and adjust the intensity of the infrared light L _IR to send bright (logic 1) and dark (logic 0) optical signals, and make the signal update frequency in the display pixel area 12 different from the signal in the infrared light signal pixel area 14 Update frequency.

FIG. 8 is a schematic diagram of an implementation manner of the display panel 10 of the display device 100 in another embodiment of the invention. In this embodiment, the display panel 10 is a self-luminous panel, which includes an upper substrate 210, a lower substrate 220, an insulating layer 230, a plurality of red light-emitting bodies _AR , and a plurality of green light-emitting bodies _AG , A plurality of blue light emitting bodies A _B , a plurality of infrared light emitting bodies A _IR , a plurality of switches SW _R , SW _G , SW _B , and an infrared light guide plate 150. In order to simplify the description, Fig. 8 only shows a single red light emitting body A _R , a single green light emitting body A _G , a single blue light emitting body A _B , a single infrared light emitting body A _IR , and three switches SW _R , SW _G and SW _B. The switches SW _R , SW _G, and SW _{B are} disposed in the area corresponding to the display pixel area 12 on the lower substrate 220. The insulating layer 230 is formed on the lower substrate 220 to cover the switches SW _R , SW _G, and SW _B. The red light-emitting body A _R , the green light-emitting body A _G and the blue light-emitting body A _{B are} disposed on the insulating layer 230 in a region corresponding to the display pixel area 12, and are respectively provided by switches SW _R , SW _G and SW _B Control the light emission frequency of red light L _R , green light L _G and blue light L _B. Infrared light guide plate 150 disposed on the surface of the substrate 210, the sides can be provided which infrared light from the red light L _IR emitter A _IR infrared light emitted by the guide 150 of the guide plate surface. At the same time, the infrared light guide plate 150 has a high transmittance for visible light, so it does not affect the light extraction process of red light L _R , green light L _G and blue light L _B. The control circuit 20 (not shown in FIG. 8) can turn generates control signals S _R switch SW _R, SW _G and the SW _B, S _G and S _B to change from red emitter A _R, the green light from the emitter A _The light emitting frequency of _G and blue self-illuminating body A _B , and then adjust the ratio of red light L _R , green light L _G , blue light L _B to display pictures of different light intensity and color, and generate infrared light self-illuminating body A _IR The control signal S _{IR of the} light source modulation is used to send optical signals of bright (logic 1) and dark (logic 0), and make the signal update frequency in the display pixel area 12 different from the signal update in the infrared light signal pixel area 14 frequency.

In the embodiments of the present invention, the red light emitting body A _R , the green light emitting body A _G , the blue light emitting body A _B , the white light emitting body A _W and the infrared light emitting body A _IR may be organic light emitting diodes Body (organic light emitting diode, OLED) or miniaturized light emitting diode (micro LED). However, the type of self-luminous body does not limit the scope of the present invention.

In summary, the present invention provides a display device with optical wireless communication function, which displays image images with visible light in the display pixel area of the display panel and transmits with infrared light in the infrared light signal pixel area of the display panel Optical signal. Therefore, the invention can increase the information transmission amount of optical communication without affecting the display of the image screen. The above are only the preferred embodiments of the present invention, and all changes and modifications made in accordance with the scope of the patent application of the present invention shall fall within the scope of the present invention.

10‧‧‧Display panel

12‧‧‧Display pixel area

14‧‧‧ Infrared light signal pixel area

20‧‧‧Control circuit

100‧‧‧Display device

R‧‧‧ Red pixel

G‧‧‧green pixel

B‧‧‧ Blu-ray pixel

IR‧‧‧Infrared light pixels

S _R , S _G , S _B , S _IR ‧‧‧ control signal

Claims (10)

A display device with optical wireless communication function includes: a display panel including: a display pixel area for displaying an image, wherein the light transmittance of the display pixel area to a visible light wave area is greater than that to an infrared light Light transmittance in the light wave area; and an infrared light signal pixel area for transmitting an optical signal, wherein the light transmittance of the infrared light signal pixel area to the infrared light wave area is greater than that to the visible light wave area And a control circuit for providing the control signal required by the display panel when displaying the image and sending the optical signal, wherein: for a first incident light, the light passing through the display pixel area in the infrared light wave region The transmittance is at least less than 50% of the original energy attenuation of the first incident light; and for a second incident light, the light transmittance of the infrared light signal pixel area in the visible light wave region is at least less than 50% of the second incident light The original energy decay. A display device with optical wireless communication function includes: a display panel including: a display pixel area for displaying an image, wherein the light transmittance of the display pixel area to a visible light wave area is greater than that to an infrared light Light transmittance in the light wave area; and an infrared light signal pixel area for transmitting an optical signal, wherein the light transmittance of the infrared light signal pixel area to the infrared light wave area is greater than that to the visible light wave area And the total area of the display pixel area is greater than the infrared light The total area of the signal pixel area; and a control circuit for providing the control signal required by the display panel when displaying the image and transmitting the optical signal. A display device with optical wireless communication function includes: a display panel including: a display pixel area for displaying an image, wherein the light transmittance of the display pixel area to a visible light wave area is greater than that to an infrared light Light transmittance in the light wave area; and an infrared light signal pixel area for transmitting an optical signal, wherein the light transmittance of the infrared light signal pixel area to the infrared light wave area is greater than that to the visible light wave area And a control circuit for providing the control signal required by the display panel when displaying the image and sending the optical signal, so that the signal update frequency in the display pixel area is different from the infrared light signal pixel area The frequency of signal updates. A display device with optical wireless communication function includes: a display panel including: a display pixel area for displaying an image, wherein the light transmittance of the display pixel area to a visible light wave area is greater than that to an infrared light Light transmittance in the light wave area; and an infrared light signal pixel area for transmitting an optical signal, wherein the light transmittance of the infrared light signal pixel area to the infrared light wave area is greater than that to the visible light wave area rate; A backlight module including a white light emitting diode and an infrared light emitting diode to provide a light; a thin film transistor substrate, which receives the light on a first light incident side and emits light on a first A plurality of switches are provided on the side corresponding to each pixel in the display pixel area and the infrared light signal pixel area to control the transmittance of the light at the corresponding pixel; a color filter substrate A plurality of color filters are provided on a first light incident side corresponding to the display pixel area, and at least one visible light filter is provided on a first light incident side corresponding to the infrared light signal pixel area; And a liquid crystal layer disposed between the color filter substrate and the thin film transistor substrate; and a control circuit for providing the control signal required by the display panel when displaying the image and transmitting the optical signal, wherein : A first color filter in the plurality of color filters passes a red light in the light; a second color filter in the plurality of color filters passes a green light in the light A third color filter in the plurality of color filters allows a blue light in the light to pass through; and the visible light filter allows an infrared light in the light to pass through. A display device with optical wireless communication function, including: a display panel, including: A display pixel area is used to display an image, wherein the light transmittance of the display pixel area to a visible light wave area is greater than that to an infrared light wave area; an infrared light signal pixel area is used to send an optical Signal, wherein the light transmittance of the infrared light signal pixel area to the infrared light wave area is greater than the light transmittance to the visible light wave area; a backlight module including a white light emitting diode to provide a light; The thin film transistor substrate receives the light on a first light incident side, and a plurality of switches are provided on the first light exit side corresponding to each pixel in the display pixel area to control the light on the corresponding pixel Transmittance at a location; a color filter substrate with a plurality of color filters on a second light incident side corresponding to the display pixel area; a liquid crystal layer disposed on the color filter Between the substrate and the thin film transistor substrate; and an infrared light guide plate, disposed on a second light emitting side of the color filter substrate, for emitting an infrared light disposed on one side of the infrared light guide plate An infrared light emitted from the polar body is directed to a third light emitting side for emission; and a control circuit is used to provide a control signal required by the display panel when displaying the image and transmitting the optical signal, wherein: the plurality of color filters A first color filter in the film passes a red light in the light; a second color filter in the plurality of color filters passes a green light in the light; the plurality of color filters A third color filter in the film passes a blue light in the light; and The infrared light guide plate receives the red light, the green light and the blue light on a third light incident side, and passes the red light, the green light and the blue light to emit from the third light emitting side. A display device with optical wireless communication function includes: a display panel including: a display pixel area for displaying an image, wherein the light transmittance of the display pixel area to a visible light wave area is greater than that to an infrared light Light transmittance in the light wave area; an infrared light signal pixel area for sending an optical signal, wherein the light transmittance of the infrared light signal pixel area to the infrared light wave area is greater than the light transmittance to the visible light wave area A substrate; a red light-emitting body, a green light-emitting body, and a blue light-emitting body, which are located at the positions corresponding to the display pixel area and are used to provide a red light, a green light, and a blue light, respectively; An infrared light self-luminous body is provided at the pixel area corresponding to the infrared light signal, and is used to provide an infrared light; a first switch, a second switch, a third switch and a fourth switch are respectively provided at The red light emitting body, the green light emitting body, the blue light emitting body and the infrared light emitting body corresponding to the red light emitting body, the green light emitting body, the blue light emitting body and the infrared light emitting body are respectively used to control the red light, the green light, the blue light and the blue light The light emitting frequency of infrared light; and an insulating layer disposed between each self-luminous body and each switch; and a control circuit for providing the control required for the display panel to display the image and transmit the optical signal Signal. A display device with optical wireless communication function includes: a display panel including: a display pixel area for displaying an image, wherein the light transmittance of the display pixel area to a visible light wave area is greater than that to an infrared light Light transmittance in the light wave area; an infrared light signal pixel area for sending an optical signal, wherein the light transmittance of the infrared light signal pixel area to the infrared light wave area is greater than the light transmittance to the visible light wave area A substrate; a red light-emitting body, a green light-emitting body, and a blue light-emitting body, which are located at the positions corresponding to the display pixel area and are used to provide a red light, a green light, and a blue light, respectively; A white light self-illuminating body is provided at a position corresponding to the infrared light signal pixel area to provide a white light; a visible light filter is provided on the light emitting side of the white light self-illuminating body to allow an infrared light in the white light Pass; a first switch, a second switch, a third switch and a fourth switch, respectively disposed on the substrate corresponding to the red light emitting body, the green light emitting body, the blue light emitting body and The white light self-luminous body is used to control the light emitting frequency of the red light, the green light, the blue light and the white light respectively; and an insulating layer is provided between each self-luminous body and each switch; and one The control circuit is used to provide the control signal required by the display panel when displaying the image and sending the optical signal. A display device with optical wireless communication function includes: a display panel including: a display pixel area for displaying an image, wherein the light transmittance of the display pixel area to a visible light wave area is greater than that to an infrared light Light transmittance in the light wave area; an infrared light signal pixel area for sending an optical signal, wherein the light transmittance of the infrared light signal pixel area to the infrared light wave area is greater than the light transmittance to the visible light wave area A substrate; a red light-emitting body, a green light-emitting body, and a blue light-emitting body, which are located at the positions corresponding to the display pixel area and are used to provide a red light, a green light, and a blue light, respectively; A first switch, a second switch and a third switch are respectively disposed on the substrate corresponding to the red light emitting body, the green light emitting body, the blue light emitting body and the white light emitting body , Used to control the light emitting frequency of the red light, the green light and the blue light respectively; an insulating layer is provided between each self-luminous body and each switch; and an infrared light guide plate is used to place the infrared light An infrared light on one side of the light guide plate emits an infrared light from the luminous body to guide the traveling direction of the red light, the green light and the blue light; and a control circuit for providing the display panel to display the image and send The control signal required for the optical signal. The display device according to any one of claims 4 to 8, wherein the control circuit is further used to provide a plurality of control signals for turning on the plurality of switches, so that the display image The signal update frequency in the pixel area is different from the signal update frequency in the infrared light signal pixel area. The display device according to any one of claims 4 to 8, wherein the control circuit is further used to provide a plurality of controls for modulating the infrared light emitting diode, the infrared light emitting body, or the white light emitting body Signal, so that the signal update frequency in the display pixel area is different from the signal update frequency in the infrared light signal pixel area.

Images