TWI588536B - For display on the vehicle windshield navigation display system - Google Patents

Description

Navigation display system for display on vehicle windshield

The present invention relates to a vehicle navigation display system, and more particularly to a navigation display system for display on a windshield of a vehicle.

The vehicle navigation system is a device that can locate the instantaneous position of the vehicle, provide a suggested driving route on the map, and instantly play the navigation voice and image. Therefore, most drivers today install a vehicle navigation system to assist the driving. To get lost by preventing unfamiliar road conditions.

Most of the display screens of general vehicle navigation systems are located near the dashboard, that is, under the line of sight when the driver is driving. Therefore, when the driver wants to watch the display screen of the navigation system while driving, the driver must specifically shift the line of sight down. It is easy to ignore the road ahead and cause danger of driving. Therefore, a vehicle navigation system that displays the navigation image on the windshield in a head-up manner has been developed, so that the driver can directly view the image from the windshield of the windshield without moving the line of sight away.

However, navigation images of general vehicle navigation systems display a variety of complete driving and navigation information, such as map images, suggested routes, route lengths, speeds, and even climate information. Although the information displayed by the navigation host includes relatively complete navigation information such as map image, suggested route, route length, speed, etc., if the driver receives too much complicated information during the travel of the vehicle, it is easy to cause distraction and endanger the driving safety. Therefore, the author believes that the traditional vehicle navigation system should have an improved way.

In view of the deficiencies of the prior art, the creator creates a navigation display system for display on the windshield of the vehicle, comprising: a display screen for being placed under the windshield of the vehicle or the windshield of the vehicle, so that the driver Viewing the image displayed on the display screen directly or indirectly by the windshield; a navigation host: electrically connected to the display screen for setting a destination data, and connecting to the global positioning system to obtain a real-time location data, and generating a suggested route according to the real-time location data, the destination data, and a map data The navigation host writes a display control program, and the display control program is executed by the navigation host: instantaneously generating an arrow indicator representing a road switching prompt signal according to the relative position of the real-time location data on the suggested route, and Controlling the display screen displays the arrow indicator representing the road switching prompt signal.

The feature of the present invention is that the display screen displays the arrow indicator representing the road switching prompt signal on the windshield, so that the driver can receive the road switching prompt generated by the navigation host directly through the windshield, and Don't need to be distracted to watch the navigation host. Moreover, the display screen only displays simple and effective road switching prompt information, so that the driver can quickly and easily know the direction of the next turn and the timing of the turn, without having to remove the line of sight to view the screen of the navigation system host. The picture, and spend a lot of time thinking about the complicated navigation information, greatly improving the convenience and security of the navigation process.

(A) ‧ ‧ windshield

(1)‧‧‧Navigation host

(2) ‧‧‧ display screen

(21) ‧‧‧ represents the arrow indicator of the road conversion alert signal

(21A) ‧ ‧ represents the mirror image of the arrow indicator of the road conversion alert signal

The first picture is a schematic diagram of the display screen of the present creation under the windshield.

The second picture is a schematic diagram of the display screen of the present invention installed on the windshield

The third A picture is a schematic view of the driver's vision in the state of use of the creation.

The third B picture is a schematic view of the driver's field of view in another use state of the present creation

The fourth picture is a schematic diagram of the component system of this creation.

The construction, features and embodiments of the present invention will be described with the aid of the drawings, and the reviewers will have a better understanding of the present invention.

Referring to the first and second figures, and in conjunction with the fourth figure, the present invention relates to a navigation display system for display on a windshield of a vehicle, comprising: a display screen (2): for windshield of the vehicle Below the glass (A) or the vehicle windshield (A), and for displaying the arrow indicator (21) representing the road switching prompt signal described later, the driver is directly or indirectly viewed by the windshield (A) The arrow indicator (21) representing the road switching prompt signal is used to know the road switching prompt signal in the field of view ahead of the driving, without specifically turning the head or removing the line of sight originally placed in front to view the navigation message.

The display screen (2) can be a transparent display for the windshield (A) of the vehicle, so that the driver can directly view the arrow representing the road switching prompt signal by the windshield (A). No. indicator (21). In this case, the display range of the display screen (2) is preferably at least the windshield block in front of the driver's field of view, so that the driver can view the view directly in front of the driving when driving. Represents the arrow indicator of the road conversion prompt signal (21).

Alternatively, the display screen (2) may also be a liquid crystal display screen or an LED display (LED display) installed under the windshield of the vehicle to project the arrow indicator (21) representing the road switching prompt signal. The windshield (A) is reflected to the driver via the windshield (A) so that the driver can view the mirror image (21A) of the arrow indicator representing the road switching prompt signal from the windshield (A). In this case, the display range of the display screen (2) is preferably arranged on the platform below the windshield (A) of the vehicle for projecting the mirror image of the arrow indicator (21) representing the road switching prompt signal. It is within the field of view of the driver when driving.

A navigation host (1): electrically connected with the display screen, has a complete positioning navigation and map display function, wherein map information is stored, and a destination data can be set, and the position of the navigation host is instantly positioned. A suggested route is generated according to the real-time location data (that is, the real-time location of the vehicle) where the navigation host (1) is located, the destination data, and the map data. The navigation host (1) writes a development control program for the navigation host (1) to: immediately generate a road conversion prompt signal according to the relative position of the instant location data on the suggested route. The arrow indicator (21), and controls the display screen to display the arrow indicator (21) representing the road switching prompt signal.

The navigation host (1) instantly generates a road switching prompt signal according to the location of the proposed location of the vehicle, and the road switching prompt signal represents a message that only reminds the driver to switch the driving road. The arrow indicator (21) representing the road conversion prompt signal is the road conversion prompt signal Representative image. The road switching reminder signal may include a turn alert signal, such as "Please turn left to Zhongshan Road at 300 meters in front" and "turn right at Zhongzheng Road at 500 meters in front" to remind the driver of the position and direction of the turn; The road switching alert signal may also include other information such as "Please let the right lower crossway at 700 meters in front" and "left upper bridge at 500 meters in front" and other information to remind the driver to change the driving route. The embodiment described later is exemplified by a turn alert signal that prompts the driver to turn.

Please cooperate with the third and third B diagrams. In a preferred embodiment, the arrow indicator (21) representing the road switching prompt signal includes a pointing arrow pointing left or right, indicating that the driver should turn. The direction. That is, the road switching prompt signal includes a turn alert signal, and the direction of the pointing arrow corresponds to the turning direction represented by the turn alert signal. In a preferred embodiment, the display control program is further executable by the navigation host (1) to generate a distance value according to the distance between the instantaneous location data and the next turn in the suggested route, and control the pointing arrow. As the distance value decreases, it moves toward the pointing arrow so that the driver can approximate the distance of the intersection to be turned by the degree of the pointing arrow offset. The display or change state of the arrow indicator (21) representing the road switching prompt signal will be further described below.

When the turn alert signal indicates right (left) turn, the pointing arrow points to the right (left) side, and when the instantaneous location data is a first distance from the next turn in the suggested route, the pointing An arrow is displayed at a first position of the display screen (2); when the instantaneous position data is a second distance shorter than the first distance from the next turn, the pointing arrow is located on the display screen (2) One of the second positions is located at the right (left) side of the first position. With the above setting, as the vehicle approaches the next recommended turn, the arrow representing the arrow indicator of the road switching prompt signal gradually moves toward the direction of the turn to prompt the driver to turn the direction. The position of the arrow image offset can indicate the distance the driver should turn at the intersection. Alternatively, the arrow indicator (21) representing the road switching prompt signal preferably includes the word of the distance value so that the driver can directly know the instantaneous distance from the turning intersection, thereby more accurately grasping the timing of switching lanes. .

In addition, in a preferred embodiment, the road switching prompt signal includes a road name to be transferred, and the arrow indicator (21) representing the road switching prompt signal further includes the name of the road name to be changed to make the driver more Accurately grasp the route of travel.

Please refer to the third and third B diagrams. The figure shows the front view of the driver in the state of use. It is assumed that the arrow pattern and the words inside it are the arrow indicators of the road conversion prompt signal. Mirror (21A). Assume that the proposed route is "Ximen Road left to Zhongzheng Road", and the third A is a state diagram when the vehicle is driving at Ximen Road 700 meters away from Zhongzheng Road. The left side is a schematic diagram of the front view of the driver while driving, and the right side is A schematic representation of the immediate location of the vehicle on the map. The display screen (2) projects a leftward arrow image in the center of the front field of view while the driver is driving, and displays the remaining distance value in the arrow image. The third B picture is a schematic diagram of the vehicle traveling 20 meters away from Zhongzheng Road. As the vehicle travels closer to the suggested turn, the arrow image gradually moves to the left of the driver's line of sight until the vehicle reaches the turn, the arrow image is exactly at the corner of the driver's line of sight. In this way, the driver can be reminded of the direction of the turn, the remaining distance and the intersection that should be turned.

Wherein, the position projected by the arrow image is not limited to the one shown in the figure (projected above the ground plane in the front field of view when the driver is driving), and as long as the arrow indicator (21) representing the road switching prompt signal is projected or It is displayed in the scope of the front view of the driver while driving, and the driver can receive the road switching prompt signal without turning his head or removing the line of sight.

In addition, the navigation message may further include a speed camera warning signal, and the arrow indicator (21) representing the road switching prompt signal may further include a speed camera warning image represented by the speed camera warning signal, such as an exclamation mark image. A red camera image, etc., to remind the driver of the existence of a speed camera nearby, so that the driver can grasp the driving speed.

The feature of the present invention is that the display screen (2) displays the arrow indicator representing the road switching prompt signal on the windshield, so that the driver can receive the navigation host (1) directly through the windshield. The road conversion prompts, without having to distractedly watch the navigation host (1). Moreover, the display screen (2) only displays the simple and effective road switching prompt information, so that the driver can quickly and easily know the direction of the next turn and the timing of the turn, without having to remove the line of sight to view the navigation system. Host screen painting Face-to-face, and spend a lot of time thinking about the complicated navigation information, greatly improving the convenience and safety of the navigation process.

In summary, the creation of the present invention is indeed in line with the industrial applicability, and is not found in the publication or public use before the application, nor is it known to the public, and has non-obvious knowledge, conforms to the patentable requirements, and is patented according to law. Application.

However, the above-mentioned statements are a preferred embodiment of the invention in the creation of the invention, and all the changes in the scope of the patent application according to the invention are within the scope of the claim.

(A) ‧ ‧ windshield

(1)‧‧‧Navigation host

(2) ‧‧‧ display screen

(21) ‧‧‧ represents the arrow indicator of the road conversion alert signal

(21A) ‧ ‧ represents the mirror image of the arrow indicator of the road conversion alert signal

Claims (7)

A navigation display system for displaying on a windshield of a vehicle, comprising: a display screen: disposed under the windshield of the vehicle or the windshield of the vehicle, so that the driver directly or indirectly views the display screen by the windshield Image; a navigation host: electrically connected to the display screen for setting a destination data, and connecting to the global positioning system to obtain a real-time location data, and generating according to the real-time location data, the destination data, and a map data A suggested route, the navigation host writes a display control program for the navigation host to execute: immediately generate an arrow representing the road change prompt signal according to the relative position of the instant location data on the suggested route The indicator, and controlling the display screen to display the arrow indicator representing the road switching prompt signal, so that the real-time location data, the destination data, the map data and the generated route information generated by the route information, and the navigation information of the route length Comprehensive formation of simple indicators. A navigation display system for display on a windshield of a vehicle, as described in claim 1, wherein the display screen is a transparent display for a windshield of a vehicle. The navigation display system for displaying on a windshield of a vehicle, as described in claim 1, wherein the display screen is a liquid crystal display or an LED display, which is installed under the windshield of the vehicle to The indication image is projected on the windshield and reflected to the driver via the windshield. The navigation display system for displaying the windshield of the vehicle according to the second or third aspect of the patent application, wherein the arrow indicator representing the road switching prompt signal comprises a pointing arrow pointing left or right. The navigation display system for displaying the windshield of the vehicle according to claim 4, wherein the display control program is further executed by the navigation host: according to the instant location data and the next turn in the suggested route The distance produces a distance value and controls the pointing arrow to face the finger as the distance value decreases Move in the direction of the arrow. The navigation display system for displaying the windshield of the vehicle, as described in claim 5, wherein the arrow indicator representing the road switching prompt signal further includes the word of the distance value. The navigation display system for displaying the windshield of the vehicle, as described in claim 4, wherein the arrow indicator representing the road switching prompt signal further includes a name of the road name to be transferred.