TW201423486A - A disply device with virtual keyboard - Google Patents

Abstract

A display device with virtual keyboard is disclosed. The device is capable of projecting a virtual keyboard through a micro projecting unit to provide the user for reference, and detecting user's finger(s) to map respective key(s), and displaying on a display module. It is convenient to use, keeping its original volume, and easy ti be carried.

Description

Display device with virtual keyboard

The present invention relates to a related art of display, and more particularly to a display device having a virtual keyboard.

Generally, tablet PCs (such as the Apple In. iPad series) and mobile phones (such as Apple Inc.'s iPhone or HTC Inc. mobile phone series, etc.) are mainly based on the touch screen of the display screen, but When the tablet is set up, the touch keyboard on the display screen is not easy to input, so the external keyboard must be used for data input; and the external physical keyboard must be carried separately, and the carrying capacity of the tablet is increased, and it is not easy to carry.

In addition, if you use a general display screen (such as LCD screen, etc.), if you want to input data, you must also use the touch keyboard displayed on the display screen, or you need to connect a physical keyboard through the desktop computer. However, it is not possible to simply use an external physical keyboard for data entry.

The invention provides a display device with a virtual keyboard, which can directly project a virtual keyboard through a micro-projection unit for reference by a user, and the display device can sense a user's finger to correspond to a corresponding key and display The display module is not only easy to use, but also does not increase the overall volume, and is more portable.

The present invention provides a display device having a virtual keyboard, comprising: a casing having a rectangular shape with a front surface and a back surface, the outer casing being disposed on a support surface, and the support surface being pre-defined with the outer casing Angle; a display module disposed in the housing and displayed toward the front surface of the housing, and the front surface of the housing forms a display area and a non-display The display module is electrically connected to a micro processing unit, and the micro processing unit is disposed in the housing; at least one micro projection unit is disposed on a side of the non-display area of the front surface of the housing, and is electrically Connected to the micro processing unit, the micro projection unit projects a keyboard image from the front side outward and downward; at least one position sensor is disposed in the non-display area and is in the same position as the at least one micro projection unit One side is electrically connected to the micro processing unit for sensing the position of the user's finger; at least one distance sensor is disposed adjacent to the at least one position sensor and electrically connected to the micro processing unit a connection for sensing a distance of a user's finger; and a 3D sensor disposed in the housing and electrically connected to the micro processing unit for sensing the predetermined angle; wherein the micro processing unit is A keyboard matrix data is stored, so that each key system corresponds to a position value and a distance value, and the position sensor senses the position value of the user's finger and the distance sensor senses the distance value of the user's finger. It should correspond to the position of the key value and the distance values keyboard matrix data, and displayed in the display area through the display module.

The invention further provides a display device with a virtual keyboard, which comprises: The outer casing has a rectangular shape and has a front surface and a rear surface. The outer casing is disposed on a support surface, and the support surface is clamped to the outer casing at a predetermined angle; a display module is disposed in the outer casing and facing the outer casing The display unit is electrically connected to a micro processing unit, and the micro processing unit is disposed in the housing; at least one micro a projection unit is disposed on a side of the non-display area of the front surface of the housing, and is electrically connected to the micro processing unit, and the micro projection unit projects a keyboard image from the front side outward and downwards; a sense of gesture a gesture sensor is disposed on the same side of the non-display area and on the same side as the at least one micro-projection unit, and is electrically connected to the micro-processing unit for sensing the position and distance of the user's finger; And a 3D sensor disposed in the housing and electrically connected to the micro processing unit for sensing the predetermined angle; wherein the micro processing unit stores a keyboard matrix data to make each key system A position value and a distance value are sensed, and the position sensor senses the position value of the user's finger and the distance sensor senses the distance value of the user's finger to correspond to the corresponding position value of the keyboard matrix data. The key of the distance value is displayed in the display area through the display module.

Wherein the 3D sensor senses the predetermined angle as θ2, the micro projection unit The projected central light system has an angle θ1 with the support surface, and the micro-projection unit projects a distance at which the core light intersects the support surface and where the outer casing is in contact with the support surface is d1, a horizontal distance d2 between the microprojection unit and the outer casing, a horizontal distance d3 between the 3D sensor and the outer casing, the microprojection The vertical height h1 of the unit, the vertical height h2 of the 3D sensor, and the central light projected by the micro-projection unit and the outer casing have an angle θ3. According to the above parameters, the following relationship can be obtained: d2/d3 =h1/h2; θ2 = θ1 + θ3; tan θ1 = h1/(d1 + d2).

100‧‧‧ display device

200‧‧‧ keyboard image

10‧‧‧Support surface

1‧‧‧Shell

11‧‧‧ positive

12‧‧‧ Back

2‧‧‧Display module

21‧‧‧ display area

22‧‧‧Non-display area

3‧‧‧microprojection unit

4‧‧‧ position sensor

5‧‧‧Distance sensor

6‧‧‧3D sensor

7‧‧‧Microprocessing unit

8‧‧‧ gesture sensor

D1~d3‧‧‧distance

H1~h2‧‧‧height

L‧‧‧Center Light

Θ1‧‧‧ angle

Θ2‧‧‧ predetermined angle

Θ3‧‧‧ angle

Fig. 1 is a perspective view showing a first embodiment of a display device having a virtual keyboard according to the present invention.

2 is a schematic view showing the appearance of a second embodiment of a display device having a virtual keyboard according to the present invention.

Figure 3 is a block diagram showing the structure of the first embodiment of the display device having a virtual keyboard of the present invention.

Figure 4 is a perspective view showing a third embodiment of a display device having a virtual keyboard of the present invention.

Figure 5 is a perspective view showing a fourth embodiment of a display device having a virtual keyboard of the present invention.

Figure 6 is a perspective view showing a fifth embodiment of a display device having a virtual keyboard of the present invention.

Figure 7 is a block diagram showing the structure of a fifth embodiment of a display device having a virtual keyboard of the present invention.

Figure 8 is a side elevational view showing a display device having a virtual keyboard of the present invention.

Figure 9 is a top plan view showing a display device having a virtual keyboard of the present invention.

Fig. 1 is a perspective view showing a first embodiment of a display device having a virtual keyboard according to the present invention. 2 is a second display device of the present invention having a virtual keyboard A schematic view of the appearance projected by the embodiment. Figure 3 is a block diagram showing the structure of the first embodiment of the display device having a virtual keyboard of the present invention.

The display device 100 of the present invention may include a casing 1 and a display module 2. At least one micro-projection unit 3, at least one position sensor 4, at least one distance sensor 5, and a 3D sensor 6.

The outer casing 1 can be rectangular, including rounded rectangles and rectangular rectangles, but not The outer casing 1 has a front surface 11 and a rear surface 12, and the outer casing 1 can be disposed on a support surface 10, and the support surface 10 is clamped to the outer casing 1 by a predetermined angle θ2, wherein the predetermined angle θ is It is a right angle or an acute angle, that is, the display device 100 of the present embodiment is a tablet computer, and the predetermined angle may be an acute angle.

The display module 2 can be disposed in the outer casing 1 and enters the front side 11 of the outer casing 1 The display unit 2 is electrically connected to a micro processing unit 7 and the micro processing unit 7 is disposed in the housing 1 so that the display unit 2 is electrically connected to the display unit 21 and the non-display area 22.

The micro-projection unit 3 is one of the non-display areas 22 provided on the front side 11 of the casing 1. The micro-projection unit 3 is electrically connected to the micro-processing unit 7, and the micro-projection unit 3 projects a keyboard image 200 from the front surface 11 of the outer casing 1 and downwards; wherein the micro-projection unit 3 can be one or two, if In the case of a micro-projection unit, it is disposed at the center of one side of the non-display area 22 of the front surface 11 of the casing 1 (as shown in FIG. 1) or offset (as shown in FIG. 4); The micro-projection units are disposed on one side of the non-display area 22 of the front surface 11 of the casing 1, and are spaced apart from each other by a distance from the center (as shown in Fig. 2).

Furthermore, the focal length of the micro-projection unit 3 can be adjusted through the software.

The position sensor 4 can be disposed in the non-display area 22 and positioned in the micro-projection unit 3 is the same side and is electrically connected to the micro processing unit 7; the position sensor 4 is in parallel with the support surface 10 to sense the position of the user's finger.

The distance sensor 5 can be disposed adjacent to the position sensor 4 and associated with the micro processing unit 7 Electrical connection; the distance sensor 5 is in parallel with the support surface 10 for sensing the distance of the user's finger.

The 3D sensor 6 can be disposed in the housing 1 and electrically connected to the micro processing unit 7 Connected to sense a predetermined angle θ2.

Wherein, the micro processing unit 7 stores a keyboard matrix data, that is, each The key corresponds to a position range and a distance range, and the position sensor 4 senses the position value of the user's finger and the distance sensor 5 senses the distance value of the user's finger to correspond to the keyboard matrix data 200. A key within the range of the corresponding position and within the distance range is displayed on the display area 21 through the display module 2.

The display device 100 of the present invention can be a tablet computer (as shown in FIG. 1), a mobile phone (as shown in FIG. 4), or a display screen (as shown in FIG. 5).

Figure 6 is a perspective view showing a fifth embodiment of a display device having a virtual keyboard of the present invention.

The display device 100 of the present embodiment is substantially the same as the first embodiment, and the difference is that the display device 100 of the present embodiment replaces the display device 100 of the first embodiment with a gesture sensor 8. The position sensor 4 and the distance sensor 5; the micro processing unit 7 stores the keyboard matrix data 200, so that each key system corresponds to a position value and a distance value, and the user's finger is sensed through the gesture sensor 8. The position value and the distance value are corresponding to the corresponding position value and the distance value of the keyboard matrix data 200, and are displayed on the display area 21 through the display module 2.

Figure 8 is a side elevational view showing the first embodiment of the display device of the present invention having a virtual keyboard.

Referring to FIG. 8, the display device 100 of the present invention senses a predetermined angle θ2 by the 3D sensor 6, and the central light ray L projected by the micro-projection unit 3 is at an angle θ1 with the support surface 10, and the micro-projection unit 3 The distance between the projected central light L and the support surface 10 and the contact of the bottom of the outer casing 1 of the display device 100 with the support surface 10 is d1, and the horizontal distance d2, 3D of the microprojection unit 3 and the bottom of the outer casing 1 of the display device 100 The horizontal distance d3 of the detector 6 and the bottom of the casing 1 of the display device 100, the vertical height h1 of the micro-projection unit 3, the vertical height h2 of the sensor 6 of the 3D, and the central light L projected by the micro-projection unit 3 and the display device 100 The outer casing 1 is sandwiched by an angle θ3. According to the above parameters, the following relationship can be obtained: d2/d3=h1/h2; θ2=θ1+θ3; tan θ1=h1/(d1+d2).

Therefore, according to the above relationship, the operation of the software or the application can be used for the reference of the distance value and the position value in the micro processing unit 7, and the position sensor 4 and the distance. The positioning reference of the illuminator 5; furthermore, the micro-projection unit 3 can be adjusted relative to the outer casing 1 of the display device 100, thereby adjusting the angle θ3, and then obtaining the relevant numerical data according to the above relationship.

Similarly, the predetermined angle θ2 of the support surface 10 and the outer casing 1 can be adjusted, and the relevant numerical data can be obtained according to the above relationship.

Figure 9 is a top plan view showing a display device having a virtual keyboard of the present invention.

Taking the "Q" key in the keyboard image 200 projected by the display device 100 of the present invention as an example, the distance range in the micro processing unit 7 is R1 to R2, and the position range is P1 to P2 (in the sense of position in the figure) The left end of the detector 4 is calculated as a reference point, but is not limited thereto, that is, the center point or the right end or one of the appropriate positions is used as a reference point; therefore, when the position sensor 4 senses the use When the position value Pk of the finger is between the position range P1~P2, and the distance sensor R senses that the distance value Rk of the user's finger is between the distance ranges R1 R R2, the corresponding micro processing unit 7 The keyboard matrix data is "Q", so "Q" is displayed in the display area 21 of the display module 2; other different keys are deduced by analogy.

Moreover, in the keyboard matrix data, each of the two keys may be spaced apart by a predetermined distance interval value and a predetermined position interval value.

While the foregoing is directed to the various embodiments of the present invention, further or further embodiments of the present invention may be devised without departing from the basic scope thereof, and the basic scope thereof is defined by the following claims. Although the present invention has been explained in connection with the preferred embodiments, it is not intended to limit the invention. It should be noted that many other similar embodiments can be constructed in accordance with the teachings of the present invention, which are within the scope of the present invention.

100‧‧‧ display device

200‧‧‧ keyboard image

10‧‧‧Support surface

1‧‧‧Shell

11‧‧‧ positive

12‧‧‧ Back

2‧‧‧Display module

21‧‧‧ display area

22‧‧‧Non-display area

3‧‧‧microprojection unit

4‧‧‧ position sensor

5‧‧‧Distance sensor

Θ2‧‧‧ predetermined angle

Claims (10)

A display device having a virtual keyboard includes at least: a casing having a rectangular shape, a front surface and a back surface, the outer casing being disposed on a support surface, and the support surface being clamped to the outer casing by a predetermined angle; The display module is disposed in the outer casing and is displayed on the front side of the outer casing, and the front surface of the outer casing is formed with a display area and a non-display area. The display module is electrically connected to a micro processing unit. a micro-processing unit is disposed in the housing; at least one micro-projection unit is disposed on a side of the non-display area of the front surface of the housing, and is electrically connected to the micro processing unit, the micro-projection unit is Projecting a keyboard image outwardly and downwardly; at least one position sensor is disposed in the non-display area and located on the same side as the at least one micro-projection unit, and is electrically connected to the micro processing unit to sense Measuring a position of the user's finger; at least one distance sensor disposed adjacent to the at least one position sensor and electrically connected to the micro processing unit for sensing a distance of the user's finger; a 3D sensor is disposed in the housing and electrically connected to the micro processing unit for sensing the predetermined angle; wherein the micro processing unit stores a keyboard matrix data, so that each key system corresponds to a position a range and a distance range, wherein the position sensor senses a position value of the user's finger and the distance sensor senses a distance value of the user's finger to correspond to a corresponding position range and a distance range of the keyboard matrix data The key inside is displayed in the display area through the display module. According to the display device of claim 1, the focal length or angle of the micro-projection unit is adjustable. The display device according to the first aspect of the patent application is a tablet computer, a mobile phone, and a display screen. The display device according to claim 3 is a display screen, wherein the at least one position sensor and the at least one distance sensor are externally connected. The display device according to claim 1, wherein in the keyboard matrix data, each of the two keys is separated by a predetermined position interval value and a predetermined distance interval value. The display device according to claim 1, wherein the at least one position sensor is parallel to the support surface to sense the position of the user's finger. The display device according to claim 1, wherein the at least one distance sensor is parallel to the support surface to sense a distance of a user's finger. The display device according to claim 1, wherein the 3D sensor senses the predetermined angle as θ2, and the center light ray projected by the micro-projection unit and the support surface have an angle θ1, the micro-projection a distance at which the central light projected by the unit intersects the support surface and where the outer casing is in contact with the support surface is d1, a horizontal distance d2 between the microprojection unit and the outer casing, and a horizontal distance d3 between the 3D sensor and the outer casing The vertical height h1 of the micro-projection unit, the vertical height h2 of the 3D sensor, and the central light projected by the micro-projection unit and the outer casing have an angle θ3. According to the above parameters, the following relationship can be obtained. :d2/d3=h1/h2; θ2=θ1+θ3; tan θ1=h1/(d1+d2). A display device having a virtual keyboard includes at least: a casing having a rectangular shape, a front surface and a back surface, the outer casing being disposed on a support surface, and the support surface being clamped to the outer casing by a predetermined angle; The display module is disposed in the outer casing and is displayed on the front side of the outer casing, and the front surface of the outer casing is formed with a display area and a non-display area. The display module is electrically connected to a micro processing unit. a micro processing unit is disposed in the housing; at least one micro-projection unit is disposed on a side of the non-display area of the front surface of the housing, and Electrically connecting the micro-processing unit, the micro-projection unit projects a keyboard image from the front side outward and downward; a gesture sensor is disposed in the non-display area and is at least The same side of the micro-projection unit, and is electrically connected to the micro-processing unit for sensing the position and distance of the user's finger; and a 3D sensor disposed in the housing and electrically connected to the micro-processing unit The sensor unit is configured to sense the predetermined angle; wherein the micro processing unit stores a keyboard matrix data, so that each key system corresponds to a range of positions and a range of distances, and the user's finger is sensed through the gesture sensor. The position value and the distance value are displayed in the display area according to the key within the corresponding position range and the distance range corresponding to the keyboard matrix data. The display device according to claim 9, wherein the 3D sensor senses the predetermined angle as θ2, and the center light ray projected by the micro-projection unit has an angle θ1 with the support surface, the micro-projection a distance at which the central light projected by the unit intersects the support surface and where the outer casing is in contact with the support surface is d1, a horizontal distance d2 between the microprojection unit and the outer casing, and a horizontal distance d3 between the 3D sensor and the outer casing The vertical height h1 of the micro-projection unit, the vertical height h2 of the 3D sensor, and the central light projected by the micro-projection unit and the outer casing have an angle θ3. According to the above parameters, the following relationship can be obtained. :d2/d3=h1/h2; θ2=θ1+θ3; tan θ1=h1/(d1+d2).