CN214476124U - Flexible display - Google Patents
Flexible display Download PDFInfo
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- CN214476124U CN214476124U CN202022497289.6U CN202022497289U CN214476124U CN 214476124 U CN214476124 U CN 214476124U CN 202022497289 U CN202022497289 U CN 202022497289U CN 214476124 U CN214476124 U CN 214476124U
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Abstract
The embodiment of the utility model discloses flexible display. The flexible display includes: the flexible light guide film is arranged on the flexible substrate in a laminating mode; the LED light source is arranged on the side surface of the flexible light guide film; the flexible substrate comprises a substrate, a driving circuit and an external parameter detection circuit, wherein the driving circuit and the external parameter detection circuit are arranged on one side of the substrate, which is far away from the flexible light guide film; the driving circuit is electrically connected with the LED light source and the external parameter detection circuit and is used for driving the LED light source; the external parameter detection circuit is used for detecting external parameters and generating control signals according to the external parameters, and the driving circuit is also used for adjusting the light-emitting parameters of the LED light source according to the control signals; the external parameter comprises at least one of heart rate, blood pressure, body temperature, environment volume, environment brightness, environment temperature and environment humidity, and the luminous parameter comprises at least one of luminous brightness, luminous color and luminous frequency. The utility model discloses a display can reflect external parameter in real time.
Description
Technical Field
The embodiment of the utility model provides a flexible display technique especially relates to a flexible display.
Background
As the standard of living of people is improving, wearable display products are more and more commonly used in many fields. However, the existing display products have single display effect and cannot meet the requirements of people on the multiple functions of the display products.
SUMMERY OF THE UTILITY MODEL
The utility model provides a flexible display to a flexible display that still has better display effect when the service voltage is low, low power dissipation and wide-angle are buckled is provided.
The utility model provides a flexible display, include:
the flexible light guide film is arranged on the flexible substrate in a laminating mode; the first color film comprises a first pattern area and a first non-display area, the first shading film comprises a first shading area and a first light transmission area, the first light transmission area covers the first pattern area in the vertical projection of the first color film, and the first shading area covers the first non-display area in the vertical projection of the first color film;
the LED light source is arranged on the side face of the flexible light guide film;
the flexible substrate comprises a substrate, a driving circuit and an external parameter detection circuit, wherein the driving circuit and the external parameter detection circuit are arranged on one side of the substrate, which is far away from the flexible light guide film; the driving circuit is electrically connected with the LED light source and the external parameter detection circuit and is used for driving the LED light source; the external parameter detection circuit is used for detecting external parameters and generating control signals according to the external parameters, and the driving circuit is also used for receiving the control signals and adjusting the light-emitting parameters of the LED light source according to the control signals; the external parameters comprise at least one of heart rate, blood pressure, body temperature, environment volume, environment brightness, environment temperature and environment humidity, and the light-emitting parameters comprise at least one of light-emitting brightness, light-emitting color and light-emitting frequency.
Optionally, the external parameter detection circuit includes at least one detection branch, each detection branch includes a parameter detection sensor and an analog-to-digital converter, an output end of the parameter detection sensor is electrically connected to an input end of the analog-to-digital converter, and an output end of the analog-to-digital converter is electrically connected to the driving circuit; the parameter detection sensor is a heart rate detection sensor, a blood pressure detection sensor, a body temperature detection sensor, a sound detection sensor, a brightness detection sensor, an environment temperature detection sensor or a humidity sensor.
Optionally, the external parameter detection circuit includes at least one detection branch, each detection branch includes a parameter detection sensor and a comparison circuit, an output end of the parameter detection sensor is electrically connected to an input end of the comparison circuit, and an output end of the comparison circuit is electrically connected to the driving circuit; the parameter detection sensor is a heart rate detection sensor, a blood pressure detection sensor, a body temperature detection sensor, a sound detection sensor, a brightness detection sensor, an environment temperature detection sensor or a humidity sensor.
Optionally, the driving circuit includes an MCU controller and an LED driving chip;
the input end of the MCU controller is electrically connected with the external parameter detection circuit, the output end of the MCU controller is electrically connected with the input end of the LED driving chip, and the output end of the LED driving chip is electrically connected with the LED light source.
Optionally, the flexible display further comprises:
and the reflective film is arranged between the flexible light guide film and the flexible substrate.
Optionally, the first pattern region includes n sub-pattern regions with different colors, the flexible light guiding film includes n sub-light guiding films, and a vertical projection of each sub-light guiding film on the first color film covers one sub-pattern region, where n is greater than or equal to 2.
Optionally, the flexible display further comprises:
a second light-diffusing film, a second light-shielding film, and a second color film which are stacked in this order;
the second light-diffusing film is arranged on one side of the flexible substrate far away from the flexible light guide film, and the second light-shielding film is arranged on one side of the second light-diffusing film far away from the flexible substrate;
the second color film comprises a second pattern area and a second non-display area, the second shading film comprises a second shading area and a second light transmission area, the second light transmission area covers the second pattern area in the vertical projection of the second color film, and the second shading area covers the second non-display area in the vertical projection of the second color film;
the flexible substrate comprises a hollowed-out area, and the vertical projection of the hollowed-out area on the second color film covers the second pattern area.
Optionally, the flexible display further comprises:
and the power supply is arranged on one side of the substrate, which is far away from the flexible light guide film, and is electrically connected with the external parameter detection circuit and the driving circuit.
Optionally, the power source comprises a button cell.
Optionally, the flexible display further comprises:
the protective layer is arranged on one side, away from the flexible light guide film, of the flexible substrate.
The embodiment of the utility model provides a flexible display includes drive circuit and external parameter detection circuitry, and external parameter detection circuitry detects external parameter to according to external parameter generation control signal, drive circuit adjusts the luminous parameter of LED light source according to control signal, and the flexible display of this embodiment can reflect external parameter in real time. And the LED light source is adopted, so that the use voltage of the flexible display is reduced, the flexible display is safe and environment-friendly, and the power consumption is reduced.
Drawings
Fig. 1 is a schematic diagram of a flexible display provided in this embodiment;
FIG. 2 is a schematic diagram of a parameter detection circuit according to this embodiment;
FIG. 3 is a schematic diagram of still another parameter detection circuit provided in this embodiment;
FIG. 4 is a schematic diagram of a parameter detection circuit and a driving circuit provided in this embodiment;
FIG. 5 is a schematic view of yet another flexible display provided in this embodiment;
fig. 6 is a schematic view of still another flexible display provided in the present embodiment;
fig. 7 is a schematic diagram of still another flexible display provided in this embodiment.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
The present embodiment provides a flexible display, and fig. 1 is a schematic diagram of the flexible display provided in the present embodiment, and referring to fig. 1, the display includes:
the light guide device comprises a flexible substrate 1, a flexible light guide film 2, a first light-diffusing film 3, a first light-shielding film 4 and a first color film 5 which are sequentially stacked; the first color film 5 comprises a first pattern area 51 and a first non-display area 52, the first shading film 4 comprises a first light transmission area 41 and a first shading area 42, the first light transmission area 41 covers the first pattern area 51 in the vertical projection of the first color film 5, and the first shading area 42 covers the first non-display area 52 in the vertical projection of the first color film 5;
the LED light source is arranged on the side surface of the flexible light guide film 2;
the flexible substrate 1 comprises a substrate 101, and a driving circuit 102 and an external parameter detection circuit 103 which are arranged on one side of the substrate 101 away from the flexible light guide film 2; the driving circuit 102 is electrically connected with the LED light source 6 and the external parameter detection circuit 103 and is used for driving the LED light source 6; the external parameter detection circuit 103 is used for detecting an external parameter and generating a control signal according to the external parameter, and the driving circuit 102 is further used for receiving the control signal and adjusting a light emitting parameter of the LED light source 6 according to the control signal; the external parameter comprises at least one of heart rate, blood pressure, body temperature, environment volume, environment brightness, environment temperature and environment humidity, and the luminous parameter comprises at least one of luminous brightness, luminous color and luminous frequency.
The flexible light guide film 2 may include a first polymer film 21, and the first polymer film 21 includes uniformly distributed multi-layer structured nano light scattering particles 22; the multi-layer structure nanometer light scattering particles 22 comprise nanometer particles, an inorganic layer coated outside the nanometer particles and a second polymer layer coated outside the inorganic layer, and the particle size of the multi-layer structure nanometer light scattering particles is less than one tenth of the wavelength of light emitted by the LED light source; the nano particles comprise nano amorphous silicon dioxide or nano cerium oxide; the first polymer film 21 is provided with a plurality of light scattering microstructures 23 on the surface.
The flexible light guide film 2 is used for conducting light emitted by the LED light source 6 and uniformly emitting the light emitted by the LED light source 6 in the whole surface. First membrane 3 of loosing is used for further carrying out homodisperse to light, makes the more even outgoing of light, utilizes flexible leaded light membrane 2 and first membrane 3 of loosing to convert LED light source 6 into the area source, and is more safe to the eyes, vwatchs more comfortablely.
The first light shielding film 4 includes a first light transmitting region 41 and a first light shielding region 42, the first light transmitting region 41 allows light to pass therethrough, and the first light shielding region 42 does not allow light to pass therethrough. The first color film 5 includes a first pattern region 51 and a first non-display region 52. The first pattern area 51 has a pattern with a certain color, the first pattern area 51 corresponds to the first light transmission area 41, when the LED light source 6 is lighted, light emitted from the LED light source 6 is uniformly emitted through the flexible light guide film 2 and the first light diffusion film 3, and the first pattern area 51 is irradiated through the first light transmission area 41. The color of the light emitted from the LED light source 6 may be the same as or different from the pattern color of the first pattern area 51. For example, when the color of the first pattern area 51 is yellow, the LED light source 6 can emit yellow light, and the yellow light irradiates the first pattern area 51 to illuminate the pattern of the first pattern area 51.
The LED light source 6 can be an LED lamp, the use voltage of the flexible display is reduced by the LED light source 6, the use voltage is reduced to be lower than 6V from 110V, safety and environmental protection are achieved, and power consumption is reduced. And the LED light source can have various different light-emitting colors, so that the light-emitting flexibility of the light source and the pattern diversity of the flexible display are improved.
The flexible substrate 1 includes a substrate 101, and a drive circuit 102 and an external parameter detection circuit 103 provided on the substrate. The external parameter detection circuit 103 may output control signals with different magnitudes according to the magnitude of the external parameter, and the control circuit may generate different driving signals according to the different control signals to drive the LED light source 6 to emit light with different light emitting parameters.
Illustratively, the driving circuit 102 may adjust the light emitting frequency of the LED light source 6 according to the heart rate to flash the LED light source 6, for example, the flash frequency may be the same as the heart rate. The driving circuit 102 can also adjust the light emitting color of the LED light source 6 according to the body temperature, for example, the LED light source 6 can emit green light when the body temperature is normal, the LED light source 6 can emit yellow light when the body temperature is low, and the LED light source 6 can emit red light when the body temperature is high. The driving circuit 102 can also adjust the brightness of the LED light source 6 according to the blood pressure, for example, the higher the blood pressure is, the higher the brightness is. The flexible display has better bending performance, can be conveniently carried or worn, reacts physiological parameters through the flexible display, and can enable a user to visually know physiological parameter changes.
In addition, when the ambient sound volume is detected to be large, the driving circuit 102 may adjust the light emitting frequency of the LED light source 6 to be large. The driving circuit 102 may adjust the light emitting color of the LED light source 6 when the ambient temperature and the ambient humidity are high, where the light emitting color is one color when the exemplary temperature and humidity are both in a suitable range, the light emitting color is adjusted to another color when one of the temperature and humidity exceeds the suitable temperature, and the light emitting color is adjusted to another color when the temperature and humidity exceed the suitable range. When the ambient brightness changes, the driving circuit 102 may adjust the light-emitting brightness of the LED light source 6 to change, for example, the light-emitting brightness gradually increases as the ambient brightness increases. The luminous parameters of the flexible display are adjusted to reflect the change of the environmental parameters, so that a user can visually know the environmental parameters.
The flexible display that this embodiment provided includes drive circuit and external parameter detection circuitry, and external parameter detection circuitry detects external parameter to according to external parameter generation control signal, drive circuit adjust the luminous parameter of LED light source according to control signal, the flexible display of this embodiment can reflect external parameter in real time. And the LED light source is adopted, so that the use voltage of the flexible display is reduced, the flexible display is safe and environment-friendly, and the power consumption is reduced.
Fig. 2 is a schematic diagram of a parameter detection circuit provided in this embodiment, and optionally, referring to fig. 2, the external parameter detection circuit 103 includes at least one detection branch 8, each detection branch 8 includes a parameter detection sensor 81 and an analog-to-digital converter 82, an output end of the parameter detection sensor 81 is electrically connected to an input end of the analog-to-digital converter 82, and an output end of the analog-to-digital converter 82 is electrically connected to the driving circuit 102; the parameter detection sensor 81 is a heart rate detection sensor, a blood pressure detection sensor, a body temperature detection sensor, a sound detection sensor, a brightness detection sensor, an ambient temperature detection sensor, or a humidity sensor.
Specifically, the parameter detecting sensor 81 outputs a parameter electrical signal after detecting the external parameter, the analog-to-digital converter 82 performs analog-to-digital conversion on the parameter electrical signal into a digital quantity, and the digital quantity output by the analog-to-digital converter 82 is different in size when the external parameter is different in size. The driving circuit 102 can adjust the light emitting parameters of the LED power supply 6 according to the magnitude of the digital quantity.
Optionally, referring to fig. 2, the drivable circuit 102 includes an MCU controller 91 and an LED driving chip 92; the input end of the MCU controller 91 is electrically connected with the external parameter detection 103 circuit, the output end of the MCU controller 91 is electrically connected with the input end of the LED driving chip 92, and the output end of the LED driving chip 92 is electrically connected with the LED light source.
Specifically, the MCU controller may be a microprocessor such as a single chip microcomputer, and the MCU controller 91 sends different driving signals to the LED driving circuit 92 according to the digital quantity output by the analog-to-digital converter 82, so that the driving circuit 92 drives the LED light source to emit light with different light emitting parameters.
Fig. 3 is a schematic diagram of another parameter detection circuit provided in this embodiment, and optionally, referring to fig. 3, the external parameter detection circuit 103 includes at least one detection branch 8, each detection branch 8 includes a parameter detection sensor 81 and a comparison circuit 83, an output terminal of the parameter detection sensor 81 is electrically connected to an input terminal of the comparison circuit 83, and an output terminal of the comparison circuit 83 is electrically connected to the driving circuit 102; the parameter detection sensor 81 is a heart rate detection sensor, a blood pressure detection sensor, a body temperature detection sensor, a sound detection sensor, a brightness detection sensor, an ambient temperature detection sensor, or a humidity sensor.
Specifically, the parameter detection sensor 81 outputs a parameter electrical signal after detecting the external parameter, the comparison circuit 83 compares the parameter electrical signal with a preset electrical signal, and outputs a comparison result, and the driving circuit 102 adjusts and drives the light emitting parameter of the LED light source according to the comparison. Illustratively, the MCU controller 91 sends different driving signals to the LED driving circuit 92 according to the comparison result of the comparison circuit 83, so that the driving circuit 92 drives the LED light source to emit light with different light emitting parameters.
For example, the comparison circuit may include a plurality of comparators, a reference signal end of each comparator inputs preset electrical signals of different magnitudes, an output end of the parameter detection sensor is electrically connected to an input end of each comparator, the parameter electrical signals are respectively compared with the different preset electrical signals, when the parameter electrical signals are different in magnitude, comparison results output by each comparator are different, the magnitude of the parameter electrical signals may be determined, and the MCU controller sends different driving signals to the LED driving circuit according to the magnitude of the output signal of each comparator.
At this time, the above embodiment is described by taking the driving circuit including the MCU controller and the LED driving chip as an example, and is not a limitation of the present invention. In other trial modes, the driving circuit can further comprise a plurality of switches connected in parallel, one end of each switch is connected with the power supply, and the other ends of the switches connected in parallel are connected with the same LED lamp. The output end of each comparator is electrically connected with the control end of one switch, and the on-off of the switches is controlled according to the comparison result, so that the driving current of the LED lamp is adjusted, and the luminous brightness of the LED lamp is adjusted. In addition, each switch can be connected with LED lamps with different colors, and the LED lamps with different colors can be controlled to be lightened according to the output result of the comparator.
Fig. 4 is a schematic diagram of a parameter detection circuit and a driving circuit provided in this embodiment, for example, referring to fig. 4, an output end of a parameter detection sensor 81 is respectively connected to an input end of a first comparator 831 and an input end of a second comparator 832, an output end of the first comparator 831 is connected to a control end of a first switch, an output end of the second comparator 832 is connected to a control end of a second switch, a first end of the first switch, a first end of the second switch and a power supply 104 are electrically connected, and a second end of the first switch, a second end of the second switch and an LED lamp are electrically connected. The reference signal terminal of the first comparator 831 can input a first preset electrical signal, and the reference signal terminal of the second comparator 832 can input a second preset electrical signal, where the second preset electrical signal is greater than the first preset electrical signal. When the parameter electrical signal is greater than the first preset electrical signal and less than the second preset electrical signal, the first comparator 831 outputs a high level, the first switch is turned on, the power supply 104 drives the LED lamp to light with a first current, and when the parameter electrical signal is greater than the first preset electrical signal and greater than the second preset electrical signal, the first comparator 831 and the second comparator 832 both output a high level, the first switch and the second switch are both turned on, and the power supply 104 drives the LED lamp to light with a second current. The parallel resistance of the branch where the first switch is located and the parallel resistance of the branch where the second switch is located are smaller than the resistance of one branch, so that the second current is larger than the first current, and the brightness of the LED and the like can be adjusted according to the parameter electric signal.
It should be noted that fig. 2 to 4 only show the forms of the driving circuit and the parameter detection circuit by way of example, and are not limiting to the present application, and in other embodiments, the driving circuit and the parameter detection circuit may also be in other forms.
Optionally, fig. 5 is a schematic diagram of another flexible display provided in this embodiment, and referring to fig. 5, the flexible display further includes:
and the reflective film 7 is arranged between the flexible light guide film 2 and the flexible substrate 1.
Specifically, reflective membrane 7 is used for reflecting the light of passing through flexible leaded light membrane 2 to the emergent of flexible substrate 1 one side, makes light reflect back flexible leaded light membrane 2, improves the light-emitting rate of flexible leaded light membrane 2 to the 3 directions of first light-diffusing membrane to reduce the light energy loss, improve light energy utilization and rate, increase flexible display's demonstration luminance.
The reflective film 7 may be disposed over the entire surface, so as to increase the entire surface display brightness of the flexible display. The reflective film 7 can also be arranged in a preset area, wherein the preset area can correspond to an area with darker display brightness of the flexible display, so that the display brightness of the preset area is improved, and the display uniformity of the flexible display is improved. In addition, the reflective film 7 may be formed by spraying reflective paint on the surface of the flexible light guiding film 2, or may be formed in other forms, which is not specifically limited in this embodiment.
Optionally, fig. 6 is a schematic view of another flexible display provided in this embodiment, referring to fig. 6, the first pattern region includes n sub-pattern regions 511 with different colors, the flexible light guiding film includes n sub-light guiding films 20, and a vertical projection of each sub-light guiding film 20 on the first color film 5 covers one sub-pattern region 511, where n is greater than or equal to 2.
Specifically, the pattern colors of the different sub-pattern regions 511 are different, so that the LED light sources 6 with different colors are required to illuminate, and each sub-light guiding film 20 corresponds to one sub-pattern region 511 for transmitting the light with the color corresponding to the sub-pattern region 511. By arranging the first pattern region to include n sub-pattern regions 511 with different colors, the flexible light guiding film includes n sub-light guiding films 20, which improves the display diversity of the flexible display.
Optionally, referring to fig. 6, the flexible display further includes:
and the power supply 104 is arranged on one side of the substrate 101, which is far away from the flexible light guide film 2, and the power supply 104 is electrically connected with the external parameter detection circuit 103 and the driving circuit 102.
Specifically, the power supply 104 is used for supplying power to the driving circuit 102, the parameter detection circuit 103 and the LED light source 6.
Optionally, the power source 104 includes a button cell battery.
Specifically, because the button cell is small in size and high in safety, the size and the weight of the flexible display can be reduced by adopting the button cell, and the use safety of a user is ensured. Because the area source energy consumption is lower, adopt button cell can guarantee that flexible display has longer live time, the flexible display that this embodiment provided adopts general button cell can continuously light more than 24 h.
Optionally, referring to fig. 6, the flexible display further includes:
and the protective layer 13 is arranged on one side of the flexible substrate far away from the flexible light guide film 2.
The protective layer 13 may be made of EVA or other materials. The protective layer 13 is used to protect the internal structure of the flexible display.
In the above embodiments, the flexible display is described by taking the flexible display as a single-sided display, and the following description is given of a flexible display for double-sided display:
fig. 7 is a schematic view of a flexible display provided in this embodiment, and referring to fig. 7, the flexible display further includes: a second light-diffusing film 10, a second light-shielding film 11, and a second color film 12 which are stacked in this order;
the second light-diffusing film 10 is arranged on one side of the flexible substrate 1 far away from the flexible light guide film 2, and the second light-shielding film 11 is arranged on one side of the second light-diffusing film 10 far away from the flexible substrate 1;
the second color film 12 includes a second pattern region 121 and a second non-display region 122, the second light shielding film 11 includes a second light transmitting region 111 and a second light shielding region 112, the second light transmitting region 111 covers the second pattern region 121 in the vertical projection of the second color film 12, and the second light shielding region 112 covers the second non-display region 122 in the vertical projection of the second color film 12;
the flexible substrate 1 includes a hollow region 1001, and a vertical projection of the hollow region 1001 on the second color film 110 covers the second pattern region 121.
Specifically, flexible base plate 1 in fretwork area 1001 department is got rid of, and light is through the 2 outgoing backs of flexible leaded light membrane, through the second membrane 10 that looses of directly projecting in fretwork area 1001, and second membrane 10 that looses is used for further carrying out the homodisperse to light, makes the more even outgoing of light, utilizes flexible leaded light membrane 2 and second membrane 10 that looses to convert LED light source 6 into the area source, and is more safe to the human eye, vwatchs more comfortablely. The light emitted from the second light diffusing film 10 is irradiated to the second pattern area 121 through the second light transmitting area 111 of the second light shielding film 11 to illuminate the pattern of the second pattern area 121, thereby realizing the double-sided display of the flexible display.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious modifications, rearrangements, combinations and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (10)
1. A flexible display, comprising:
the flexible light guide film is arranged on the flexible substrate in a laminating mode; the first color film comprises a first pattern area and a first non-display area, the first shading film comprises a first shading area and a first light transmission area, the first light transmission area covers the first pattern area in the vertical projection of the first color film, and the first shading area covers the first non-display area in the vertical projection of the first color film;
the LED light source is arranged on the side face of the flexible light guide film;
the flexible substrate comprises a substrate, a driving circuit and an external parameter detection circuit, wherein the driving circuit and the external parameter detection circuit are arranged on one side of the substrate, which is far away from the flexible light guide film; the driving circuit is electrically connected with the LED light source and the external parameter detection circuit and is used for driving the LED light source; the external parameter detection circuit is used for detecting external parameters and generating control signals according to the external parameters, and the driving circuit is also used for receiving the control signals and adjusting the light-emitting parameters of the LED light source according to the control signals; the external parameters comprise at least one of heart rate, blood pressure, body temperature, environment volume, environment brightness, environment temperature and environment humidity, and the light-emitting parameters comprise at least one of light-emitting brightness, light-emitting color and light-emitting frequency.
2. The flexible display of claim 1, wherein:
the external parameter detection circuit comprises at least one detection branch, each detection branch comprises a parameter detection sensor and an analog-to-digital converter, the output end of the parameter detection sensor is electrically connected with the input end of the analog-to-digital converter, and the output end of the analog-to-digital converter is electrically connected with the driving circuit; the parameter detection sensor is a heart rate detection sensor, a blood pressure detection sensor, a body temperature detection sensor, a sound detection sensor, a brightness detection sensor, an environment temperature detection sensor or a humidity sensor.
3. The flexible display of claim 1, wherein:
the external parameter detection circuit comprises at least one detection branch circuit, each detection branch circuit comprises a parameter detection sensor and a comparison circuit, the output end of the parameter detection sensor is electrically connected with the input end of the comparison circuit, and the output end of the comparison circuit is electrically connected with the driving circuit; the parameter detection sensor is a heart rate detection sensor, a blood pressure detection sensor, a body temperature detection sensor, a sound detection sensor, a brightness detection sensor, an environment temperature detection sensor or a humidity sensor.
4. A flexible display according to any one of claims 1-3, wherein:
the driving circuit comprises an MCU controller and an LED driving chip;
the input end of the MCU controller is electrically connected with the external parameter detection circuit, the output end of the MCU controller is electrically connected with the input end of the LED driving chip, and the output end of the LED driving chip is electrically connected with the LED light source.
5. The flexible display of claim 1, further comprising:
and the reflective film is arranged between the flexible light guide film and the flexible substrate.
6. The flexible display of claim 1, wherein:
the flexible light guide film comprises n sub light guide films, the vertical projection of each sub light guide film on the first color film covers one sub pattern region, and n is larger than or equal to 2.
7. The flexible display of claim 1, further comprising:
a second light-diffusing film, a second light-shielding film, and a second color film which are stacked in this order;
the second light-diffusing film is arranged on one side of the flexible substrate far away from the flexible light guide film, and the second light-shielding film is arranged on one side of the second light-diffusing film far away from the flexible substrate;
the second color film comprises a second pattern area and a second non-display area, the second shading film comprises a second shading area and a second light transmission area, the second light transmission area covers the second pattern area in the vertical projection of the second color film, and the second shading area covers the second non-display area in the vertical projection of the second color film;
the flexible substrate comprises a hollowed-out area, and the vertical projection of the hollowed-out area on the second color film covers the second pattern area.
8. The flexible display of claim 1, further comprising:
and the power supply is arranged on one side of the substrate, which is far away from the flexible light guide film, and is electrically connected with the external parameter detection circuit and the driving circuit.
9. The flexible display of claim 8, wherein the power source comprises a button cell.
10. The flexible display of claim 1, further comprising:
the protective layer is arranged on one side, away from the flexible light guide film, of the flexible substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022497289.6U CN214476124U (en) | 2020-11-02 | 2020-11-02 | Flexible display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022497289.6U CN214476124U (en) | 2020-11-02 | 2020-11-02 | Flexible display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214476124U true CN214476124U (en) | 2021-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022497289.6U Active CN214476124U (en) | 2020-11-02 | 2020-11-02 | Flexible display |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214476124U (en) |
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2020
- 2020-11-02 CN CN202022497289.6U patent/CN214476124U/en active Active
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