TW201609464A - Head up image generating device and head up image generating method - Google Patents

Abstract

The head up image generating device is for use with an electronic device in a car, wherein the electronic device has a display face. The head up image generating device includes a mirror image generating device and a positioning device. The mirror image generating device is for transforming a first image displayed by the display face into a first mirror image corresponding to the first image, wherein the first mirror image can be projected without using an electricity connected device. The positioning device is disposed on one side of the mirror image generating device and is for fixing the display face with regard to the mirror image generating device.

Description

Head up image generating device and head up image generating method

The present invention relates to a head-up image generating device and a head-up image generating method, and more particularly to a head-up image generating device and a head-up image generating method for use in an automobile.

The Head Up Display (HUD) is initially equipped on a fighter jet. The purpose is to allow the pilot to drive without having to bow his head. He can only see the important information such as navigation information, fuel and ammunition stock, weapon radar lock status, etc. Head up image. Then, with the vigorous development of the civil aviation industry and the improvement of the flight safety requirements, the general large-scale civil aircraft is also generally equipped with a head-up display.

Compared to the driving of an airplane, the driving of the car also requires a high degree of concentration. After statistics, lack of concentration when driving a vehicle is one of the main causes of car accidents. In order to operate an electronic product such as a navigator, a mobile phone, etc., moving the line of sight from the front of the viewing vehicle to the screen for viewing the electronic product is a common situation in which driving is not focused. Therefore, if the screen of the electronic product screen can be converted into a head-up image, the driver can view the screen of the electronic product without shifting the line of sight, so that the probability of occurrence of a car accident can be effectively reduced.

However, taking the navigation machine as an example, there are many navigation devices on the market, and users have their favorite systems. Moreover, more and more users consider the economics of multi-purpose use and the convenience of carrying them directly on the mobile phone. Install the navigation software on the phone to make the phone have navigation. Because the software (such as operating system, navigation program) and hardware (such as signal interface) of different electronic devices have different specifications, it is necessary to match different devices, or even purchase a completely different navigation machine to achieve the function of head-up display. How to enable the user to purchase the head-up display device that can be applied to the most electronic products at the most economical cost, and then make the head-up display device a common device of a general automobile, which is a problem to be solved.

SUMMARY OF THE INVENTION A primary object of the present invention is to provide a head up image generating apparatus that solves the above problems encountered in the prior art.

Another object of the present invention is to provide a method of generating a head up image to solve the above problems encountered in the prior art.

The head-up image generating device of the present invention is for use in an automobile for use in an automobile, wherein the electronic device has a display surface. The heads up image generating device includes a mirror image generating device and a positioning device. The image generating device converts the first image displayed on the display surface into a first image corresponding to the first image, wherein the first image can be projected without additionally using the power receiving device. The positioning device is disposed on one side of the mirror generating device for fixing the position of the display surface relative to the mirror generating device.

The positioning device includes a light-transmitting bracket. The positioning device includes a flexible bracket. The first image can be projected onto the front glass of the car. The head up image generating device further includes a translucent reflective film disposed on the front glass. The heads up image generating device further includes angle adjustment means for adjusting the angle of the set mirror generating means relative to the front glass of the automobile.

The mirror image generating device comprises a convex mirror, and the mirror surface of the convex lens faces the display surface for converting the first image displayed on the display surface into a first image corresponding to the first image and having a size larger than the first image.

The heads up image generating device further includes image magnifying means disposed on the path of the first mirror image projected onto the front glass of the automobile for magnifying the size of the front mirror which projects the first mirror image onto the automobile. The image magnifying device comprises a concave lens and a convex lens, wherein the concave lens is closer to the mirror image generating device.

The heads up image generating device further includes a semi-reflective display member disposed on a side of the front glass of the automobile near the interior of the automobile, wherein the first mirror image is cast to the semi-reflective display member. The head up image generating device further includes an image magnifying device disposed on the path of the first mirror image projected onto the semi-reflective display member for enlarging the size of the first mirror image projected onto the semi-reflective display member.

The image generating device may include an image receiving unit, an image processing unit, and a mirror display unit. The image receiving unit faces the display surface, receives the first image displayed on the display surface, and outputs the first image signal of the first image. The image processing unit is coupled to the image receiving unit and receives The first image signal converts the first image signal into a first image signal of the first image corresponding to the first image, and outputs the first image signal. The mirroring display unit is coupled to the image processing unit, receives the first image signal, and displays the first image according to the first image signal, wherein the first image can be projected by the mirror display unit without additionally using the power receiving device.

In various examples, the heads up image generating device of the present invention can be used in a first electronic device and a second electronic device in a car, wherein the first electronic device has a first display surface and the second electronic device has a second display surface. The image generation device includes an image receiving unit and an image processing unit. The image receiving unit faces the first display surface, receives the first image displayed on the first display surface, and outputs the first image signal of the first image. The image processing unit is coupled to the image receiving unit, and receives the first image signal, converts the first image signal into a first image signal of the first image corresponding to the first image, and outputs the first image signal to the second electronic device. Displayed by the second display surface, wherein the first image can be projected from the second display surface without the additional use of the electrical device.

The method for generating a head-up image of the present invention is to use the first electronic device and the second electronic device in the automobile, wherein the first electronic device has a first display surface, the first display surface displays the first image, and the second electronic device has the image a receiving unit, an image processing unit coupled to the image receiving unit, and a second display surface coupled to the image processing unit, the method for generating a head image includes: receiving, by the image receiving unit, the first image, and outputting the first image Receiving a first image signal by the image processing unit, converting the first image signal into a first image signal of the first image corresponding to the first image, and outputting the first image signal; receiving the first image through the second display surface The image signal is displayed, and the first image is displayed according to the first image signal, wherein the first image can be projected by the mirror display unit into a head up image without additionally using the power receiving device.

In one embodiment, the head-up image generating method of the present invention is used in an automobile for use in an automobile, wherein the electronic device has a display surface, and the head-up image generating method includes: displaying the first image on the display surface; and performing a screen switching operation to display the display surface A first image corresponding to the first image is displayed, wherein the first image can be projected by the display surface as a head up image without additionally using the power receiving device.

It should be understood that the above general description and the following specific embodiments are only The invention is not to be construed as limiting the scope of the invention as claimed.

100‧‧‧Mirror generator

101‧‧‧ first image signal

102‧‧‧First image signal

110‧‧‧Image receiving unit

120‧‧‧Image Processing Unit

130‧‧‧Mirror display unit

190‧‧‧ box

191‧‧‧Side opening

192‧‧‧Top opening

200‧‧‧Electronic devices

210‧‧‧ display surface

260‧‧‧First electronic device

270‧‧‧ first display surface

280‧‧‧Second electronic device

290‧‧‧Second display surface

300‧‧‧ Positioning device

400‧‧‧Car

410‧‧‧dashboard

430‧‧‧Front glass

500‧‧‧Angle adjustment device

600‧‧‧Image magnifying device

610‧‧‧ concave lens

630‧‧‧ convex lens

700‧‧‧Translucent reflective film

777‧‧‧Semi-reflective display

800‧‧‧Heading image

900‧‧‧Heading image generating device

1001‧‧‧Steps

1003‧‧‧Steps

1005‧‧‧Steps

2010‧‧‧Steps

2030‧‧‧Steps

1A is a schematic view of an embodiment of the present invention; FIG. 1B is a schematic view showing an embodiment of a positioning device and a mirror image generating device disposed in a casing according to the present invention; FIG. 2 is a schematic view showing an embodiment of a mirror image generating device including a convex mirror according to the present invention; FIG. 4 is a schematic diagram of an embodiment of the head-up image generating device of the present invention further including a semi-reflective display device; FIG. 5 and FIG. 6 are diagrams showing the image generating device of the present invention. FIG. 7 to FIG. 9 are schematic diagrams showing different embodiments of a mirror image generating apparatus including an image receiving unit and an image processing unit according to the present invention; FIG. 10 is a schematic diagram of a head image of the present invention; A schematic flowchart of an embodiment of a method for generating a method; and FIG. 11 is a schematic flow chart of another embodiment of a method for generating a head-up image according to the present invention.

As shown in FIG. 1A, the head-up image generating device 900 of the present invention is used in the car 400 for the electronic device 200, wherein the electronic device 200 has a display surface 210. In the preferred embodiment, electronic device 200 is a handheld device with navigation functionality such as, but not limited to, a navigation machine or a mobile phone or tablet with navigation software installed. However, in different embodiments, the electronic device 200 may be any device having the display surface 210, and is not limited to having a navigation function.

As shown in the embodiment of FIG. 1A, the heads up image generating device 900 of the present invention includes a mirror image generating device 100 and a pointing device 300. The image generating device 100 converts the first image displayed on the display surface 210 into a first image corresponding to the first image, wherein the first image can be projected without additionally using the power receiving device. Positioning device 300 is set to generate image One side of the device 100 is used to fix the position of the display surface 210 relative to the mirror image generating device 300, particularly the angle of the fixed display surface 210 relative to the mirror image generating device 300, to control the angle at which the first image is projected. In the embodiment shown in FIG. 1A, the positioning device 300 is a light transmissive support. The electronic device 200 can be supported by the transparent support, and the first image displayed on the display surface 210 can be displayed through the transparent support. Further, as shown in FIG. 1B, in an embodiment, a light-transmitting bracket as the positioning device 300 and a plane mirror as the mirror image generating device 300 may be disposed in the casing 190. The case 190 has a side opening 191 for placing the electronic device 200 into the positioning device 300 in the case 190, and is supported by the positioning device 300. The case 190 has a top opening 192 for the first image to be projected from the inside of the case 190 to the outside of the case 190. The box body 190 is preferably opaque, and can reduce the interference of the first image displayed on the display surface 210 on the user's vision. In various embodiments, the positioning device 300 includes a flexible bracket.

It is particularly noteworthy that in the present invention, the first image can be projected without additional use of the electrical device, i.e., without the need to use an active projection device (e.g., a projector) to project it. More specifically, in the present invention, after the mirror image generating apparatus 100 converts the first image displayed on the display surface 210 into the first image corresponding to the first image, the light of the first mirror image is naturally projected. In contrast, in some known head-up displays, an image to be head-up display is projected through an active device such as a projector that needs to be powered. The way the two work and the power consumption are obviously different.

As shown in FIG. 1A, when the first image is projected onto the front glass 430 of the automobile 400, the user can see at least a portion of the first image by the front glass 430 to see the first image displayed on the display surface 210. The image seen by the user in the front glass 430 is the head up image 800. In the embodiment shown in FIG. 1A, the image generating device 100 is a mirror surface that converts the light of the first image emitted by the display surface 210 into a first image of the light corresponding to the first image by reflection. When the first mirrored light is projected onto the front glass 430 of the automobile 400, the front glass 430 can at least partially reflect the light of the first mirror into the user's eye because the light of the first image emitted by the display surface 210 is mirrored. Since the generating device 100 and the front glass 430 are reflected twice in total, the head image 800 seen by the user is the same image as the first image, and is not a mirror image of the first image. In the embodiment shown in FIG. 1A, the image generating device 100 is a single mirror, however in various embodiments, the mirror generating device 100 can be a plurality of mirrors and / or a combination of lenses.

With the head-up image generating device of the present invention, the user can convert and project the image displayed by the existing electronic device into a head-up image without separately purchasing an electronic device having a head-up display function by discarding the existing electronic device in order to obtain the function of the head-up display. . More specifically, taking the navigation system as an example, there are many navigation devices on the market, and users have their favorite systems. Moreover, more and more users consider the economics of multi-purpose use and the convenience of carrying. Installing the navigation software directly on the phone gives the phone navigation. Because the software (such as operating system, navigation program) and hardware (such as signal interface) of different electronic devices have different specifications, it is necessary to match different devices, or even purchase a completely different navigation machine to achieve the function of head-up display. However, the head-up image generating device of the present invention directly converts and displays the image displayed by the electronic device into a head-up image, so that regardless of the soft and hard specifications of the electronic device, as long as the displayed image has visibility and the size is mirrored. Within the range that the generating device can receive, the head-up image generating device of the present invention can convert and project the displayed image of the electronic device into a head-up image. In other words, the head-up image generating device of the present invention can be applied to a plurality of electronic products of different specifications, so that the user can indirectly have the function of head-up display in an electronic product with the most economical cost.

In summary, the head-up image generating apparatus of the present invention at least has the following significant progress. (1) A heads up image generating device can be used for a plurality of different electronic devices, respectively. (2) A freely selectable (navigation) program or machine that does not require the use of unfamiliar or inadvertent (navigation) programs or machines in order to achieve the function of the head-up display. (3) The function of the overhead display can be increased by the existing electronic device. (4) The content displayed by the head is more varied. In essence, as long as it is a screen displayed by the electronic device, whether it is a navigation or a movie, the head-up image generating device of the present invention can be projected and displayed as a head-up image. (5) The first image can be projected without using a power-on device, that is, without using an active projection device (such as a projector), the power can be saved more economically.

As shown in FIG. 1A, the head-up image generating device 900 further includes an angle adjusting device 500 for adjusting the angle of the setting mirror generating device 100 with respect to the front glass 430 of the automobile, so that the user can obtain a better head-up image 800 for viewing. Experience. The head-up image generating device 900 further includes a semi-transparent reflective film 700 disposed on the front glass 430 to improve The reflection effect on the light, so that the user can obtain a better head-up image 800 viewing experience.

As shown in the embodiment of FIG. 2, the mirror image generating device 100 includes a convex mirror, and the mirror surface of the convex mirror faces the display surface 210 for converting the first image displayed on the display surface 210 into a first image corresponding to the first image and having a larger size than the first image. Mirroring. Further, since the light is reflected off the convex mirror and deviates from the curvature center line of the convex mirror, the size of the image projected by the convex mirror reflection is substantially larger than the original image size. Thereby, the size of the head up image 800 can be increased, so that the user can obtain a better head-up image 800 viewing experience, and the user can not see the first image content when the display surface 210 is small.

In various embodiments, the above-described effect of increasing the size of the heads up image 800 can be achieved by a combination of lenses. In the embodiment shown in FIG. 3, the heads up image generating device 900 further includes an image magnifying device 600 disposed on the path of the first mirror image projected onto the front glass 430 of the automobile 400 for projecting the first mirror image to the front of the automobile 400. The size of the glass is enlarged from 430. The image magnifying device 600 includes a concave lens 610 and a convex lens 630, wherein the concave lens 610 is closer to the mirror image generating device 100. In this embodiment, the mirror generating device 100 is a plane mirror.

In the embodiment shown in FIG. 4, the head up image generating device 900 further includes a semi-reflective display member 777 disposed on a side of the front glass 430 of the automobile 400 near the interior of the automobile, wherein the first mirror image can be projected to the semi-reflective display member. 777. More specifically, in this embodiment, the heads up image 800 is displayed directly on the semi-reflective display 777. Wherein, since the distance and the angle of the semi-reflective display member 777 relative to the mirror image generating device 100 can be preset, the user only needs to put the electronic device 200 on the positioning device 300 during use, that is, on the semi-reflective display member 777. When the heads up image 800 of comparable quality is seen, there is no need to adjust the angle of the set mirror generating device 100 with respect to the front glass 430 of the automobile. Thereby, the convenience in use can be improved. In another aspect, the heads up image generating device can include an image magnifying device disposed on the path of the first image projected onto the semi-reflective display member for magnifying the size of the first image projected onto the semi-reflective display member. The principle and structural examples of the image magnifying device are similar to those previously described, and are not described herein.

In the foregoing embodiment shown in FIGS. 1A to 4, the mirror image generating device converts the first image displayed on the display surface into the first mirror image by the reflection of the mirror facing the light. In other words, in the embodiment shown in Figs. 1A to 4, the mirror image generating device is a mirror image conversion using an optical principle. In particular, in order to obtain better conversion effect and reduce image generation The number, size, configuration, and the like of the optical elements included in the image generating device may vary depending on the size of the device, the manufacturing cost, and the like. For example, a microlens/micromirror array can be used to form the mirror generating device, and the mirror generating device can be directly disposed on the display surface. On the other hand, in different embodiments, the image generating device can also use image electronic signal processing to achieve image conversion.

Referring to FIG. 5 and FIG. 6 , in different embodiments, the image generating apparatus 100 may include an image receiving unit 110 , an image processing unit 120 , and a mirrored display unit 130 . The image receiving unit 110 faces the display surface 210, receives the first image displayed on the display surface 210, and outputs the first image signal 101 of the first image. The image processing unit 120 is coupled to the image receiving unit 110, receives the first image signal 101, converts the first image signal 101 into a first image signal 102 of the first image corresponding to the first image, and outputs the first image signal 102. . The mirroring display unit 130 is coupled to the image processing unit 120, receives the first image signal 102, and displays the first image according to the first image signal 102, wherein the first image can be mirrored by the mirror display unit without additionally using the power receiving device. 130 projected out. More specifically, in the embodiment shown in FIG. 6, the image generating device 100 is a device having a screen such as a mobile phone or a tablet computer, and the image receiving unit 110 may be an image receiver such as an imaging lens provided by the device. The image processing unit 120 may be a central processing unit of the device or a separately provided data processing unit, and the mirror display unit 130 is a screen of the device. This device utilizes the positioning device 300 for securing its position relative to the display surface 210, even further to the dashboard 410 of the automobile 400. The image processing unit 120 converts the first image signal 101 into a processing program of the first image signal 102 of the first image corresponding to the first image, and can execute a hardware process such as a video processing program or a hardware process such as a circuit signal processing. carry out. The positioning device 300 can be a light-transmissive bracket or case.

Referring to FIGS. 7, 8, and 9, in various examples, the head-up image generating device 900 of the present invention can be used by the first electronic device 260 and the second electronic device 280 in the automobile 400, wherein the first electronic device 260 has the first The display surface 270, the second electronic device 280 has a second display surface 290. The image generation device 100 includes an image receiving unit 110 and an image processing unit 120. The image receiving unit 110 faces the first display surface 270, receives the first image displayed on the first display surface 270, and outputs the first image signal 101 of the first image. The image processing unit 120 is coupled to the image receiving unit 110, receives the first image signal 101, converts the first image signal 101 into a first image signal 102 of the first image corresponding to the first image, and outputs The first image signal 102 to the second electronic device 280 is displayed by the second display surface 290, wherein the first image can be projected by the second display surface 290 without additionally using the power receiving device.

More specifically, in the embodiment shown in FIG. 8 and FIG. 9 , the image generating device 100 is, for example, an image capturing device, and the image receiving unit 110 may be an image receiver such as an image capturing lens of the device, and the image processing unit 120 It can be a data processing unit that this device has. This device utilizes the positioning device 300 for securing its position relative to the display surface 210, even further to the dashboard 410 of the automobile 400. Wherein, the positioning device 300 preferably has a flexible tube, for example. The image processing unit 120 converts the first image signal 101 into a processing program of the first image signal 102 of the first image corresponding to the first image, and can execute a hardware process such as a video processing program or a hardware process such as a circuit signal processing. carry out. The second electronic device 280 can receive the external signal and display it. In the preferred embodiment, the image generating device 100 is coupled to the second electronic device 280 and outputs the first image signal 102 to the second electronic device 280 through a connection line (not shown). This connection is economical, simple and reliable. However, in different embodiments, the image generating device 100 and the second electronic device 280 are not coupled, but the first image signal 102 is output to the second electronic device 280 by wireless transmission. This can reduce the excessive appearance of the line to affect the aesthetics and safety.

Further, in the embodiment shown in FIGS. 1A to 6, in order for the first image generated by the mirror image generating apparatus 100 to be converted to be clearly projected to the front-end glass 430, the head-up image generating apparatus 900 must be placed close to the front stage. The location of the glass 430. In the embodiment shown in FIG. 7 to FIG. 9, the header image generating device 900 is not limited to being disposed near the front glass 430 because the first image generated by the mirror generating device 100 is additionally output to the second electronic device 280. The location is more convenient for use. For example, in the embodiment shown in FIG. 9, the first electronic device 260 is an air conditioning control area of the instrument panel 410 fixed to the driver's seat, and the head image generating device 900 is disposed beside the first electronic device 260. And the second electronic device 280 is disposed at a position close to the front glass 430. In this way, the user can conveniently operate the first electronic device 260 while using the head-up image generating device 900 to generate the head-up image 800.

The method for generating the head up image of the present invention is for the first electronic device and the second The electronic device is used in a car, wherein the first electronic device has a first display surface, the first display surface displays a first image, and the second electronic device has an image receiving unit, an image processing unit coupled to the image receiving unit, and image processing The second display surface of the unit is coupled. As shown in FIG. 10, the head up image generating method of the present invention includes, for example, the following steps.

Step 1001: Receive, by the image receiving unit, the first image, and output the first image signal of the first image. Specifically, the image receiving unit 110 such as an image capturing lens as shown in FIG. 6 receives the first image displayed on the display surface 210 and outputs the first image signal 101 of the first image.

Step 1003: The first image signal is received by the image processing unit, and the first image signal is converted into a first image signal of the first image corresponding to the first image, and the first image signal is output. Specifically, the first image signal 101 is received by the image processing unit 120 as shown in FIG. 6 , and the first image signal 101 is converted into the first image signal 102 of the first image corresponding to the first image, and the first image signal is output. A mirror signal 102.

Step 1005: Receive a first image signal through the second display surface, and display the first image according to the first image signal, wherein the first image can be projected by the mirror display unit into a head up image without additionally using the power receiving device. Specifically, the first image signal is received by the mirror display unit 130 as shown in FIG. 6, and the first image is displayed according to the first image signal, wherein the first image can be mirrored without additionally using the power receiving device. The display unit 130 is projected to become the head up image 800.

Further, in the embodiment shown in FIG. 6, the image generating device 100 is a device having a screen such as a mobile phone or a tablet computer, and the image receiving unit 110 may be an image receiver such as an image capturing lens of the device. The processing unit 120 may be a central processing unit of the device or a separately provided data processing unit. The mirror display unit 130 is a screen for the device, and the device stores software for executing the head-up image generating method of the present invention. By performing the head-up image generating method of the present invention by operating the software, the first image displayed on the first display surface 270 can be converted into a first image and projected into the head-up image 800.

In one embodiment, the heads-up image generating method of the present invention is used in an automobile for use in an automobile, wherein the electronic device has a display surface. As shown in FIG. 11, the head-up image generating method of the present invention includes, for example, the following steps. In step 2010, the first image is displayed on the display surface. step 2030. Perform a screen conversion operation, so that the display surface displays a first image corresponding to the first image, wherein the first image can be projected by the display surface as a head-up image without additionally using the power receiving device. Further, the electronic device itself or the application itself may have a built-in screen for directly converting the screen of the application displayed on the display surface of the electronic device into a mirror image corresponding thereto, that is, directly displaying the original image to be displayed in a mirror image. In this way, the electronic device itself can actually become a mirror image generating device, and the displayed image can be projected from the display surface as a head up image without additionally using the power receiving device.

While the foregoing description of the preferred embodiments of the invention, the embodiments of the invention The spirit and scope of the principles of the invention. Modifications of many forms, structures, arrangements, ratios, materials, components and components can be made by those skilled in the art to which the invention pertains. Therefore, the embodiments disclosed herein are to be considered as illustrative and not restrictive. The scope of the present invention is defined by the scope of the appended claims, and the legal equivalents thereof are not limited to the foregoing description.

100‧‧‧Mirror generator

200‧‧‧Electronic devices

210‧‧‧ display surface

300‧‧‧ Positioning device

400‧‧‧Car

410‧‧‧dashboard

430‧‧‧Front glass

500‧‧‧Angle adjustment device

700‧‧‧Translucent reflective film

800‧‧‧Heading image

900‧‧‧Heading image generating device

Claims (16)

A head-up image generating device for an electronic device to be used in a car, wherein the electronic device has a display surface, the head-up image generating device comprising: a mirror image generating device for converting a first image of the display surface display into a first image corresponding to the first image, wherein the first image can be projected without using another power receiving device; and a positioning device disposed on one side of the image generating device for fixing the image The position of the display surface relative to the mirror generating device. The head-up image generating device of claim 1, further comprising a semi-transparent reflective film disposed on the front glass. The head-up image generating device of claim 1, wherein the mirror image generating device comprises a convex mirror, the mirror surface of the convex mirror facing the display surface, wherein the first image displayed on the display surface is converted into the first image And the size is larger than the first image of the first image. The head-up image generating device of claim 1, wherein the first image is projected to a front glass of the automobile, and the head image generating device further comprises an image magnifying device disposed before the first image is projected onto the automobile The path of the track glass is enlarged for the size of the front mirror that projects the first image onto the car. The head-up image generating device of claim 1, further comprising a half-reflection display member disposed on a side of the front glass of the automobile near the interior of the automobile, wherein the first mirror image is cast to the semi-reflective display member. The head-up image generating device of claim 5, further comprising an image magnifying device disposed on the path of the first image projected onto the semi-reflective display member for projecting the first image onto the semi-reflective display member The size is enlarged. The head-up image generating device of claim 4 or 6, wherein the image magnifying device comprises a concave lens and a convex lens, wherein the concave lens is closer to the mirror image generating device. A head-up image generating device for an electronic device to be used in a car, wherein the electronic device has a display surface, the head-up image generating device comprises: a mirror image generating device, comprising: an image receiving unit facing the display surface, receiving The display surface displays one of the first images, and outputs one of the first image signals of the first image; An image processing unit is coupled to the image receiving unit, receives the first image signal, converts the first image signal into a first image signal of one of the first images corresponding to the first image, and outputs the first image signal And a mirroring display unit, coupled to the image processing unit, receiving the first image signal, and displaying the first image according to the first image signal, wherein the first image can be used without another connection The electrical device is projected by the mirror display unit; and a positioning device is disposed on one side of the mirror generating device for fixing the position of the display surface relative to the mirror generating device. A head-up image generating device for a first electronic device and a second electronic device to be used in a car, wherein the first electronic device has a first display surface, and the second electronic device has a second display surface, The image generating device includes: a image generating device, comprising: an image receiving unit, facing the first display surface, receiving the first image of the first display surface, and outputting the first image signal of the first image An image processing unit coupled to the image receiving unit, receiving the first image signal, converting the first image signal into a first image signal of one of the first images corresponding to the first image, and outputting the image signal Transmitting, by the second display surface, the first image signal to the second electronic device, wherein the first image is projected from the second display surface without using another power receiving device; and a positioning device And disposed on one side of the mirror generating device for fixing the position of the display surface relative to the mirror generating device. The head-up image generating device according to any one of claims 1 to 8, further comprising a semi-transparent reflective film disposed on the front glass. The head-up image generating device according to any one of claims 1 to 8, wherein the positioning device comprises a light-transmitting bracket. A heads up image generating device according to any one of claims 1 to 8 wherein the positioning device comprises a flexible bracket. The heads up image generating device of any one of claims 1 to 8 or 9, wherein the first image Can be projected onto the front glass of the car. The head-up image generating device of claim 13, further comprising an angle adjusting device for adjusting an angle of the mirror image generating device relative to the front glass of the automobile. A head-up image generating method for a first electronic device and a second electronic device to be used in a car, wherein the first electronic device has a first display surface, the first display surface displays a first image, the first The second electronic device has an image receiving unit, an image processing unit coupled to the image receiving unit, and a second display surface coupled to the image processing unit. The head image generating method includes: receiving, by the image receiving unit, The first image is outputted by the image processing unit, and the first image signal is converted into a first image corresponding to the first image. a first image signal, and outputting the first image signal; receiving the first image signal through the second display surface, and displaying the first image according to the first image signal, wherein the first image can be used without additional use In the case of a power-on device, it is projected by the mirror display unit as a head-up image. A method for generating a head-up image for use in an automobile, wherein the electronic device has a display surface, the method for generating a head-up image includes: displaying a first image on the display surface; performing a screen conversion operation to The display surface displays a first image corresponding to the first image, wherein the first image can be projected by the display surface as a head-up image without using another power-on device.