TWM622767U - Foldable smartphone with another e-paper display - Google Patents

Abstract

A foldable smart phone with another electronic paper display is mainly provided with a smart phone composed of two foldable bodies, and the two bodies are respectively provided with an LED/LCD display and an electronic paper display of a general mobile phone. When the LED/LCD display of the smart phone displays video, it can supply the electronic paper display image according to the refresh rate of the electronic paper display, so that it can be displayed as a cartoon image instead of a continuous video for the user. Eyes can arbitrarily choose to watch one of the display screens, so that images that do not require a high refresh rate, such as text or photos, can be read on the electronic paper display screen, so as to reduce damage to the eyes.

Description

Foldable smartphone with another e-paper display

This creation is about a foldable smartphone with another electronic paper display, especially one that can choose to watch continuous video, or read images such as text or photos that do not require a high refresh rate to reduce eye damage A foldable smartphone with another e-paper display.

Press; Smartphones are mobile communication phones with functions of computers and operating systems, and their ownership and usage rates have become very popular in the world today. The displays of ordinary smartphones are various LEDs (Light Emitting Diodes) and LCDs (Liquid Crystal Diodes). These displays emit various light so that the eyes can read and identify the displayed images. The damage to the eyes, especially nowadays, the age group who owns mobile phones continues to decrease, and the time spent looking at mobile phones continues to increase, so how to reduce the damage of mobile phones to the eyes is obviously very important.

Although, at this stage, many manufacturers have produced an electronic paper composed of a microcapsule electrophoretic display, which relies on the reflection of ambient light to read and identify the displayed image, which feels like reading the image printed on the paper, so it is less likely It can cause eye damage, and the electronic paper can be displayed continuously without power consumption when it does not update its image. It is widely used in store labels, digital signage, electronic signage, etc. However, the refresh rate or refresh rate of e-paper images is too slow. Currently, color e-papers on the market are about 1fps (frames per second, i.e. 1 image per second), and black and white images are about 8fps. The required minimum 24fps is quite different, far less than about 50fps for 4G or 4th-generation mobile phone displays on the market today, and about 90fps for 5G mobile phone displays. After 4G mobile communication, video accounts for a large amount of communication, and it has also become a necessary function of mobile phones after 4G. In addition, there are currently 16 million colors of mobile phones, while the colors of electronic paper are only 4096, and the resolution is also different. That is, the pixels are also much worse, so although electronic paper is constantly improving, it may never be used in smartphones alone, unless it is used in a very small number of special groups. However, if a foldable electronic paper display is added to the current smart phone on the market, and the two displays are made into one, there are two screens of the original size of the mobile phone, and the user can see the two display screens at the same time. You can choose to watch one of the screens at any time, and you can read images that do not require a high refresh rate, such as text or photos, on the e-paper display to reduce eye damage.

In view of this, after continuous research and experimentation, the applicant came to design a foldable smart phone with another electronic paper display to reduce the damage to the eyes.

The main purpose of this creation is to provide a foldable smart phone with another electronic paper display, allowing users to choose to watch continuous video, or read images such as text or photos that do not require a high refresh rate, so as to reduce the damage to the eyes.

The aforementioned foldable smart phone with another electronic paper display is mainly provided with a smart phone composed of two foldable bodies, and the two bodies are respectively provided with an LED/LCD display of a general mobile phone and an electronic paper display . When the LED/LCD display of the smart phone displays video, it can supply the electronic paper display image according to the refresh rate of the electronic paper display, so that it can be displayed as a cartoon image instead of a continuous video for the user. Eyes can arbitrarily choose to watch one of the display screens, so that images that do not require a high refresh rate, such as text or photos, can be read on the electronic paper display screen, so as to reduce damage to the eyes.

In the aforementioned foldable smartphone with another electronic paper display, the body and the electronic paper display are connected by a flexible printed circuit (FPC, Flexible Printed Circuitry), which is used as the power between the body and the electronic paper display. and transmission of various signals.

The aforementioned foldable smart phone with another electronic paper display is a mobile phone module including a power management module and an audio module, and the central micro-processing unit processes/controls the module and pixel and color numbers through the display. The conversion module will send different fps images and different pixel and color numbers to the LED/LCD display and e-paper display of the smartphone.

The aforementioned foldable smartphone with another electronic paper display, in which the display processing/control module and the pixel and color number conversion module are sent to the LED/LCD display with 50fps images, and will be judged first when they are sent to the electronic paper display. It is a black and white image or a color image, each of which sends a different fps image, such as: black and white to send 8fps, color to send 1fps image.

The aforementioned foldable smart phone with another electronic paper display, wherein the pixel and color number conversion module converts more pixels of the LED/LCD display into fewer pixels of the electronic paper display, and converts more display colors Numbers are converted to fewer e-paper display color numbers.

Please refer to FIG. 1 , which is a structural diagram of a conventional dual-display screen. As shown in the figure, most of the current dual-screen approaches are based on the fact that the mobile phone 1 is provided with a first display screen 11 and a second display screen 12. The first display screen 11 and the second display screen 12 are small in size for display. Different images A, B. Some products install the second display screen 12 on the back, but the displayed image is not the same as the first display screen 11. The purpose is to display commonly needed information such as time or keyboard, not to display the same as the first display screen 11. A display screen 11 the same image A.

Check Chinese Patents No. 2013104881136, No. 2013105492898, No. 2018104343846, No. 2017110029762, No. 2015109509806, etc. Although there are dual-screen designs, they are all on the same side of the mobile phone, which is not foldable The format and the small screen are not suitable for seeing images clearly, and no electronic paper display is used. There are also Chinese patents such as No. 2020104009689, No. 2014107902321, No. 2014100327297, No. 2018108909148, etc. Although there are also dual-screen designs, they are all displayed on both sides of the mobile phone, not foldable. One of the The main function of the screen is to display frequently used messages or keyboards. For example, the ROC Patent No. I533656 and the US Patent No. US 9,351,334 display two screens on both sides of the mobile phone, and the function of one of the screens in the ROC Patent No. I533656 is to display commonly needed information such as time. US Patent Nos. US 10,320,962, US 10,771,729, and US 9,721,529 also put dual screens on the same side of the mobile phone, which are not foldable and the screen is small and not suitable for seeing images clearly. Electronic paper display.

Please refer to FIG. 2 , which is a structural diagram of a conventional foldable mobile phone. As shown in the figure, the current practice of the foldable mobile phone is that the left and right bodies of the foldable mobile phone 2 are respectively provided with a first display screen 21 and a second display screen 22 for displaying half of the images C and D respectively. , its main purpose and function is to add up the first display screen 21 and the second display screen 22 on both sides to display a complete image whose size is doubled.

Check Chinese Patent No. 2014102203369, No. 2015100990928, etc. Although they are foldable designs, they are only ordinary foldable mobile phones. They are mainly to double the screen and make them into a tablet-like size, and do not use electronic paper. monitor. The US Patent No. US 10,848,603, US 10,491,724, US 8,868,142, US 8,264,823 and the Republic of China Patent No. I721672, although they are foldable, are designed to double the size of the screen, making it similar to a tablet computer size, and does not use e-paper.

Please refer to FIG. 3 and FIG. 4 at the same time, which are the structure diagram and the circuit block diagram of the preferred embodiment of the present invention. As shown in the figure, the present invention is provided with a smart phone 3 composed of two foldable bodies 31 and 32 , the body 31 is provided with a conventional LED/LCD display 33 , and the body 32 is provided with electronic paper The display 34, the display modes of the two displays are the same as the basic hardware and functions of the smart phones and electronic paper displays currently on the market. As we all know, there are quite a number of brands and models of various smart phones and electronic paper displays on the market. Although each has its own differences, they all have common and well-known basic hardware and functions. Therefore, this creation is not to change the basic hardware and functions of the original mobile phone, nor to follow the special functions of any manufacturer or model, but the touch function of the two displays can be controlled by touch input for each other. message to another display. The body 31 is provided with a mobile phone module 4 1. Between the mobile phone module 41 and the electronic paper display 34, a flexible printed circuit 35 (FPC, Flexible Printed Circuitry, which is a plurality of very thin and thin lines, represented by dotted lines is inside) is connected for making. It is the transmission of power and various signals between the mobile phone module 41 and the electronic paper display 34 , and because the flexible printed circuit 35 is flexible, it will not be damaged by folding. The body 31 is provided with a power and signal connector 36 , and the power and signal connector 36 is the same as the power and signal connector of a general mobile phone in the market, such as the currently commonly used Type C usb connector.

As shown in FIG. 4 , in the circuit of the preferred embodiment of the present invention, the smart phone 3 has a mobile phone module 41 , and the mobile phone module 41 includes various units such as a power management module and an audio module. 42 Through the display processing/control module 43 and the pixel and color number conversion module 44, different fps images and different pixel and color numbers are sent to the LED/LCD display 33 and the electronic paper display 34 of the smart phone 3, such as : The 50fps image is sent to the LED/LCD display 33, and then to the electronic paper display 34, it will first determine whether it is a black and white image 45 (including black and white static images, black and white video images) or a color image 46 (including static images and video images), Each of them sends images of different fps, such as: black and white to send 8fps, color to send 1fps image, and the pixel and color number conversion module 44 converts more LED/LCD display 33 pixels to less e-paper display 34 pixels , that is, converting more color numbers of the LED/LCD display 33 to less color numbers of the electronic paper display 34 . The display processing/control module 43 is connected to an LED/LCD display and an electronic paper display touch module 47, so that the LED/LCD display can input control information to the electronic paper display 34 by touch; the electronic paper display 34 can also be used for touch input control information to the LED/LCD display 33 .

In the foldable smart phone with another electronic paper display composed of the aforementioned components, most of the images E displayed by the LED/LCD display 33 and the electronic paper display 34 are the same. When not folded, the user can see the same display on both screens at the same time However, if the refresh rate is fast, such as video, most users will choose to watch the LED/LCD display 33. If the refresh rate is slower, such as text, the user will choose to watch the electronic paper display 34. Eye protection, but this creation will also allow some users who are more eye-friendly to choose to watch videos on the electronic paper display 34 . With the current representative foldable smartphones on the market (such as Huawei Mate X and Samsung Galaxy Fold, these products make the gap between the two screens very small, so that the gap is almost invisible visually, so that the It seems to be a screen and image twice the size of the original mobile phone, and its technical level is very high. This creation looks like two screens, so it does not require the gap to be made very small, and the front area is the same as the mobile phone body. In the same way, only a small thickness of the electronic paper display 34 is increased, so the feeling of carrying it is similar to that of a general mobile phone.

Please refer to FIG. 5 , which is a state diagram of continuously displaying images in the power saving mode for the present invention. As shown in the figure, when the present invention is in use, when the LED/LCD display 33 is automatically turned off to display the image due to the power saving function of the mobile phone, the electronic paper display 34 can continuously display the image E without causing unnecessary power consumption.

Please refer to FIG. 6 , which is a state diagram of two displays showing different images for the present invention. As shown in the figure, in this creation, when the image of the LED/LCD display 33 is changed to the image F, the electronic paper display 34 can still be set to display the image E to facilitate reading slowly. That is to say, the two displays of the LED/LCD display 33 and the electronic paper display 34 can display different images. In addition, the LED/LCD display 33 has the basic function of inputting information through the touch keyboard, so the LED/LCD display 33 can be input by the touch keyboard. The message is sent to the electronic paper display 34, at which time the two displays will display different images.

Please refer to Figure 7, which is a horizontal reading state diagram of this creation. As shown in the figure, this creative system can be read in landscape orientation like a normal mobile phone, and the displayed image E will be automatically converted into landscape orientation.

Please refer to FIG. 8 , which is a reverse display state diagram of this creation. As shown in the figure, this authoring system can read the smartphone 3 upside down, so that the left-handed person can operate on the screen of the LED/LCD display 33, and the hand will not block the screen of the electronic paper display 34, or it is convenient to read A right-handed user performs a touch operation on the electronic paper display 34, as shown in this figure, the power and signal connector 36 is turned upward, and the image E in it will be automatically reversed.

The foregoing examples are only to illustrate the preferred implementations of the present creation, rather than limiting the scope of the present creation. All modifications and changes are made without losing the essence of the present creation, nor deviating from the spirit of the present creation.

To sum up, this creation uses the LED/LCD display and the electronic paper display respectively provided in the mobile phone to form a foldable smart phone with another electronic paper display. Users can choose to watch continuous videos, or read images that do not require high refresh rates, such as text or photos, to reduce eye damage. For a practical design, it is a creation of novelty, and it is necessary to file a patent application in accordance with the law, and the bureau will review it and grant the patent as soon as possible.

1: mobile phone

11: The first display screen

12: Second display screen

2: mobile phone

21: The first display screen

22: Second display screen

3: Smartphone

31: Body

32: Body

33: LED/LCD display

34: Electronic Paper Display

35: Flexible Printed Circuits

36: Power and signal connectors

41: Mobile phone module

42: Central microprocessor unit

43: Display processing/control module

44: Pixel and color number conversion module

45: Black and white images

46: Color Image

47: LED/LCD display and electronic paper display touch module

A: video

B: video

C: video

D: video

E: video

F: video

FIG. 1 is a structural diagram of a conventional dual display screen. FIG. 2 is a structural diagram of a conventional foldable mobile phone. Figure 3 is a structural diagram of this creation. FIG. 4 is a circuit block diagram of a preferred embodiment of the present invention. Figure 5 is a state diagram of the present invention continuously displaying images in the power saving mode. Figure 6 is the state diagram of the two monitors showing different images in this creation. Figure 7 is a state diagram of horizontal reading of this creation. Fig. 8 is a reverse display state diagram of this creation.

3: Smartphone

31: Body

32: Body

33: LED/LCD display

34: Electronic Paper Display

35: Flexible Printed Circuits

36: Power and signal connectors

E: video

Claims (7)

A foldable smart phone with another electronic paper display is provided with a smart phone composed of two foldable bodies and a mobile phone module, and the two bodies are respectively provided with LED/LED connected to the mobile phone module. LCD display and electronic paper display; when the LED/LCD display of the smart phone displays video, the mobile phone module can supply the electronic paper display image according to the refresh rate of the electronic paper display, so that it can display discontinuously The video image, so that the user's eyes can choose to watch one of the display screens, so that images such as text or photos that do not require a high refresh rate can be read on the screen of the electronic paper display to reduce damage to the eyes. The foldable smart phone with another electronic paper display as claimed in claim 1, wherein the mobile phone module is connected to a central micro-processing unit, a display processing/control module, and a pixel and color number conversion module; the The mobile phone module transmits different fps images and different pixel and color numbers to the LED/LCD display and the electronic paper through the display processing/control module and the pixel and color number conversion module through the central micro-processing unit monitor. The foldable smart phone with another electronic paper display as claimed in claim 2, wherein the pixel and color number conversion module converts more pixels of the LED/LCD display into fewer pixels of the electronic paper paper display pixels, and converting a larger number of colors of the LED/LCD display to a smaller number of colors of the electronic paper display. The foldable smart phone with another electronic paper display as claimed in claim 2, wherein the LED/LCD display is used to display higher fps images, and the electronic paper display is used to display lower fps black and white images (including black and white still images, black and white video images) and lower fps color images (including still images and video images). The foldable smart phone with another electronic paper display as claimed in claim 1, wherein the LED/LCD display can be used to input control information to the electronic paper display by touch; the electronic paper display can also be used for Control messages to the LED/LCD display with touch input. The foldable smart phone with another electronic paper display as claimed in claim 1, wherein the electronic paper display and the mobile phone module of the body are connected by a flexible printed circuit (FPC) for power transmission and signal. The foldable smart phone with another electronic paper display as claimed in claim 1, wherein when the LED/LCD display is automatically turned off to display images due to the power saving function, the electronic paper display can continue to display images.

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