TW201606351A - Head-up display - Google Patents

Abstract

A head-up display is provided with a housing, a projector, a combiner, a dustproof cover, and an actuating module. The housing has an opening. The projector is disposed inside the housing for providing an image beam. The dustproof cover includes a plurality of hard elements and a soft element. The soft element has a surface to construct an exterior surface. The soft element has a back surface opposite to the exterior surface. The back surface flexibly connects any adjacent two of the hard elements. The actuating module is disposed in the housing and coupled to the dustproof cover to move the dustproof cover relative to the housing so as to seal or unseal the opening. When the opening is sealed by the dustproof cover, the combiner is disposed inside the housing. When the opening is unsealed, the combiner is moved outside the housing through the opening and thus located on a transmission path of the image beam.

Description

Head up display

This invention relates to a display, and more particularly to a heads up display.

Head-Up Display (HUD) is used in aircraft. In recent years, its application can also be found on civilian cars. The optical portion of the heads-up display includes a Projector and a Combiner. The projector projects images of car information (such as driving speed, fuel volume, lighting control, etc.) onto the mirror. The overlay mirror overlaps the scene outside the windshield with the car information image projected by the projector, so that the driver does not need to look down at the dashboard information, and the eyes do not need to refocus, so you can see what you need. Information image.

According to the prior art of the head-up display, the windshield of the automobile can be directly used as the mirror. In addition, the stacking mirror of the heads-up display can also be made independently. The independently fabricated mirror can be housed in the housing of the heads-up display when not in use and can be removed from the housing during use. However, the independently fabricated mirror must be removed from the casing through the opening, and the opening is liable to cause problems such as direct sunlight and dust.

A patent relating to a heads-up display includes U.S. Publication No. 6,930,836. Patents related to automotive displays include US Announcement Patent Numbers 6049288. The patent related to the notebook auxiliary device includes the Taiwan Announcement Patent No. M468872.

The present invention refers to a heads-up display for reducing light damage and dust.

Other objects and advantages of the present invention will become apparent from the technical features disclosed herein.

In order to achieve one or a part or all of the above or other purposes, an embodiment of the present invention provides a head-up display including a housing, a projector, a stack of mirrors, a dust cover, and an interlocking module. . The housing has an opening. A projector is disposed within the housing to provide an image beam. The dust cover includes a plurality of hard components and a soft component. The soft component has a surface and constitutes a design surface. The soft element has a back side with respect to the design surface. The back side is flexibly connected to any two adjacent rigid elements. The actuation module is disposed in the housing and coupled to the dust cover to move the dust cover relative to the housing to close or not close the opening. When the dust cover closes the opening, the mirror is disposed in the housing. When the dust cover does not close the opening, the image mirror moves outside the casing through the opening and is positioned on the transmission path of the image beam.

Based on the above, in the above embodiment of the present invention, the dust cover may include a plurality of hard elements and a soft element, the back side of the soft element has a groove, and the groove is recessed from the back side and located adjacent to the two adjacent hard elements. The hard component of the dust cover is moved by the actuation module to close or not close the opening of the housing. When the dust cover closes the opening, the head display can be protected from light and dust. Dust cover When the opening is not closed, the flexible elements are slanted into the casing by the flexible grooves of the flexible element.

The above described features and advantages of the invention will be apparent from the following description.

100, 100a‧‧‧ head-up display

110‧‧‧shell

110a‧‧‧Outer surface

112‧‧‧ openings

120‧‧‧Projector

122‧‧‧Display module

124‧‧‧Optical components

130‧‧‧Stack mirror

140‧‧‧Dust cover

141‧‧‧hard components

141a‧‧‧ first side

141b‧‧‧ second side

141c‧‧‧Sleeve

141d‧‧‧Sliding column

141e‧‧ stud

141f‧‧‧Axis

142‧‧‧Soft components

142a‧‧‧ appearance

142b‧‧‧Back

142c‧‧‧ groove

150‧‧‧Activity Module

151‧‧‧guides

152‧‧‧ drive mechanism

152a‧‧‧ Gear Set

152b‧‧‧ screw

153‧‧‧Drive motor

154‧‧‧rails

154a‧‧‧ horizontal section

154b‧‧‧sloping section

160‧‧‧Activity Module

161‧‧‧ linkage group

161a‧‧‧ Connecting rod

162‧‧‧ drive mechanism

163‧‧‧Drive motor

164‧‧‧rails

1A and 1B are cross-sectional views showing a head-up display in a use state and a non-use state, respectively, in accordance with an embodiment of the present invention.

2A and 2B are top perspective views, respectively, of the opening of the head-up display of FIG. 1A in an unclosed state and a closed state.

3A and 3B are bottom perspective views of the opening of the head-up display of FIG. 1A in an unclosed state and a closed state, respectively.

4A and 4B are bottom perspective views of the opening of the head-up display of FIG. 1A in an unclosed state and a closed state, respectively.

5A and 5B are cross-sectional views showing a head-up display in a use state and a non-use state, respectively, according to another embodiment of the present invention.

Figure 6A is a cross-sectional view of the head-up display of Figure 5A in the state of use taken along line I-I.

Figure 6B is a cross-sectional view of the head-up display of Figure 5B in a non-use state taken along line II-II.

7A and 7B are openings of the head-up display of FIG. 5A, respectively, in an unclosed state Top view of the state and closed state.

8A and 8B are bottom perspective views of the opening of the head-up display of FIG. 5A in an unclosed state and a closed state, respectively.

9A and 9B are bottom perspective views of the opening of the head-up display of FIG. 5A in an unclosed state and a closed state, respectively, in another viewing angle.

The above and other technical contents, features and advantages of the present invention will be apparent from the following detailed description of the preferred embodiments. The directional terms mentioned in the following embodiments, such as up, down, left, right, front or back, etc., are only directions referring to the additional drawings. Therefore, the directional terminology used is for the purpose of illustration and not limitation.

Referring to FIGS. 1A and 1B, the heads-up display 100 of the present embodiment includes a housing 110, a projector 120, and a stacking mirror 130. The housing 110 is mounted in an automobile instrument panel (not shown) or disposed beside the automobile instrument panel. The housing 110 may also be a partial structure of the automobile instrument panel, which is not limited by the present invention. The housing 110 has an opening 112. The projector 120 is disposed within the housing 110. The stack mirror 130 can be disposed within the housing 110 and can be moved out of the housing 110 via the opening 112. When the opening 112 is closed by the dust cover (detailed later), the stacking mirror 130 is housed in the casing 110, and the heads-up display 100 is in a non-use state at this time. When the opening 112 is not closed, the projector 120 can generate an image beam and the overlay mirror 130 can be moved to the transmission path of the image beam, such that the image beam can be projected onto the overlay mirror 130 outside the housing 110, and then the head is raised. Display 100 When it is used. Therefore, the mirror 130 can overlap the scene outside the windshield with the image projected by the projector 120 on the mirror 130 for the driver to view.

In this embodiment, the projector 120 can include a display module 122 and a plurality of optical components 124. The display module 122 is, for example, a light emitting diode module, a laser diode module, a liquid crystal display module or a digital micro mirror module to generate an image beam. The optical component 124 is disposed on the transmission path of the image beam generated from the display module 122, and may include a mirror to change the direction of the image beam, and may also include a lens to adjust the size of the image beam.

In this embodiment, the stacking mirror 130 can be coupled to a driving unit (such as a stepping motor or the like) disposed in the housing 110 and driven by the driving unit, so that the stacking mirror 130 can be opened from the housing 110 through the opening. 112 is moved (eg, rotated or translated) out of the housing 110 as shown in FIG. 1A. In addition, the mirror 130 can also be driven by the drive unit and moved out of the opening 112 into the housing 110, as shown in FIG. 1B. As such, the stacked mirror 130 outside the housing 110 can be moved into the housing 110 via the opening 112 without using the heads up display 100.

However, in order to prevent external light and dust from entering the housing 110 via the opening 112, the heads up display 100 may further include a dust cover 140 to close or not close the opening 112. When the dust cover 140 closes the opening 112, the mirror 130 is housed in the casing 110. When the dust cover 140 does not close the opening 112, the mirror 130 moves out of the housing 110 via the opening 112 and is positioned on the transmission path of the image beam.

In this embodiment, the dust cover 140 includes two hard elements 141 and one The soft component 142 may be made of a plastic material such as acrylonitrile butadiene styrene (ABS) or ABS bonded polycarbonate (PC). The material of the soft component 142 may include rubber, for example, a thermoplastic material such as thermoplastic polyurethane (TPU) or thermoplastic rubber (TPR), and the hard component 141 and the soft component 142 can be injected by using two materials. The way is integrated. The number of the hard elements 141 is not limited to two, and may be three or more. The hard member 141 may have a plate shape. The soft element 142 has a surface and defines a design surface 142a. When the dust cover 140 closes the opening 112, the design surface 142a of the soft component 142 is exposed outside the housing 110. The soft element 142 has a back surface 142b with respect to the design surface 142a, and the back surface 142b flexibly connects the hard elements 141. Each of the hard elements 141 has a first surface 141a and a second surface 141b opposite to the first surface 141a, and the back surface 142b of the soft element 142 covers the first surface 141a of the hard element 141 and does not cover the second surface. 141b, to expose the second surface 141b, the second surface 141b of the hard elements 141 faces the inside of the housing 110. The back surface 142b of the soft element 142 has a groove 142c (for example, a curved groove or a V-shaped groove), and the groove 142c is recessed from the back surface 142b and extends along the width of the back surface 142b, and the groove 142c is located at two adjacent rigid Between elements 141.

As shown in FIG. 1A, when the opening 112 is exposed and the mirror mirror 130 is removed from the housing 110 to the transmission path of the image beam, the hard elements 141 are accommodated obliquely to each other through the deflectable groove 142c of the soft member 142. Within the housing 110, one of the hard elements 141 is closer to the opening 112 and the other is a hard element 141 is farther away from the opening 112. As shown in FIG. 1B, when the mirror 130 is moved from the outside of the opening 112 into the housing 110 and the dust cover 140 is moved to close the opening 112, the hard member 141 supports the soft member 142 so that the opening 112 can be completely closed to prevent dust. The cover 140 prevents external light and dust from entering the housing 110 to protect the projector 120 and the mirror 130 housed in the housing 110. How to move the dust cover 140 will be described in detail below.

The housing 110 in FIGS. 2A to 2B, 3A to 3B, and 4A to 4B is only illustrated at the top of the housing 110 to simplify the drawing for convenience of explanation. Referring to FIG. 1A , FIG. 2A , FIG. 3A and FIG. 4A , the heads up display 100 further includes an actuation module 150 . The actuation module 150 is disposed in the housing 110 and coupled to the dust cover 140 to move the dust cover 140 to move the dust cover 140 relative to the housing 110 such that the dust cover 140 does not close the opening 112 (FIG. 1A, FIG. 2A, 3A and 4A) or closed opening 112 (as shown in 1B, 2B, 3B and 4B). When the dustproof cover 140 does not close the opening 112, the dustproof cover 140 is flexibly housed in the casing 110.

In the embodiment, the actuation module 150 includes a guide rod 151, a driving mechanism 152, a driving motor 153, and two sliding rails 154. Each rail 154 includes a horizontal section 154a and a sloped section 154b that follows the horizontal section 154a. The guide rod 151 is disposed in the housing 110 and coupled to the sliding sleeve 141c of the hard member 141. The drive mechanism 152 is disposed within the housing 110 and includes a gear set 152a and a screw rod 152b (screw rod). The gear set 152a is coupled to the drive motor 153 disposed in the housing 110, and the screw 152b is pivotally mounted to the housing 110 and coupled to the gear set 152a and the stud 141e of the hard member 141, that is, the cylinder having the internal thread. Each of the slide rails 154 is disposed in the housing 110 and located on opposite sides of the opening 112. Each of the slide rails 154 is coupled to the spool 141d of the other hard component 141. As shown in FIGS. 2A, 3A and 4A, in view of the embodiment in which the opening 112 of the head-up display 100 is in an unclosed state, the sliding sleeve 141c and the stud 141e (connecting member) are disposed on the hard member 141 closer to the opening 112. On the opposite side, the number of the spools 141d is two and disposed on opposite sides of the hard member 141 farther from the opening 112; wherein the sliding sleeve 141c, the stud 141e, and the spool 141d (connecting member) may be the hard member 141 A part may be a connector assembled to the hard element 141. As shown in FIGS. 1B, 2B, 3B, and 4B, when the dust cover 140 housed in the casing 110 is to close the opening 112, the drive motor 153 rotates the screw 152b via the gear set 152a, and the screw 152b drives the hard member 141. The stud 141e drives the sliding sleeve 141c to move the hard element 141 connected to the stud 141e and the sliding sleeve 141c along the guide rod 151 with respect to the housing 110, and drives the other hard element 141 together via the soft element 142. The sliding column 141d is continuously moved along the inclined section 154b and the horizontal section 154a of the sliding rail 154, so that the dustproof cover 140 moves relative to the housing 110 in a direction away from the sliding rail 154, so that the dustproof cover 140 closes the opening 112, that is, The opening 112 of the heads-up display 100 is in a closed state (as shown in FIGS. 2B, 3B, and 4B).

Conversely, as shown in FIGS. 1B, 2B, 3B, and 4B, if the opening 112 is not closed, the drive motor 153 can rotate the screw 152b via the gear set 152a, and the screw 152b drives the stud 141e of the hard member 141 and drives The sliding sleeve 141c moves the hard element 141 along the guide rod 151 with respect to the housing 110, and drives the spool 141d of the other hard element 141 along the horizontal section 154a and the slope of the sliding rail 154 by the soft element 142. The segment 154b moves so that the dust cover 140 faces the approach rail The direction of 154 is moved to the side of the opening 112 with respect to the housing 110, and the flexible element 142 having the concave groove 142c and the flexible element 142 are inclined to be mutually inclined to be received in the housing 110 (FIG. 1A, FIG. 2A, FIG. 3A and FIG. 4A).

In the embodiment illustrated in FIG. 1A, a planar housing 110 and a dust cover 140 are employed. In the head-up display 100a of another embodiment shown in FIG. 5A, a curved casing 110 and a dustproof cover 140 are used, as described in detail below.

The housing 110 in FIGS. 5A to 5B is only illustrated at the top of the housing 110 to simplify the drawing for ease of explanation. Referring to FIG. 5A to FIG. 5B and FIG. 6A to FIG. 6B, in the head-up display 100a of the present embodiment, the operations of the projector 120 and the mirror 130 are the same as those of the head-up display 100 of the embodiment of FIG. 1A, and thus the description is omitted. . In order to meet the requirements of the interior of the automobile, when the housing 110 is mounted in an automobile instrument panel (not shown), the outer surface 110a of the housing 110 can be designed as a curved surface in accordance with the design of the outer surface of the instrument panel. The design surface 142a of the soft member 142 of the dust cover 140 can also be designed as a curved surface. Therefore, as shown in FIGS. 5A and 6A, when the head-up display 110a is in the use state, the mirror 130 is moved outside the casing 110. As shown in FIG. 5B and FIG. 6B, when the heads up display 110a is in the unused state, the dust cover 140 closes the opening 112 of the housing 110, and the design surface 142a of the soft component 142 of the dust cover 140 can be external to the outer surface of the housing 110. 110a is flush and substantially forms a single smooth curved surface. Therefore, the dust cover 140 is not conspicuous when the heads up display 100a is not used.

5A to 5B, 6A to 6B, 7A to 7B, 8A to 8B, and 9A to 9B, the outer surface 110a of the housing 110 is filled with the dust cover 140 to fill the opening 112. Flush, the heads up display 100a further includes an actuation mode Group 160. The actuation module 160 is disposed in the housing 110 and coupled to the dust cover 140 to move the dust cover 140 to move the dust cover 140 relative to the housing 110 such that the dust cover 140 does not close the opening 112 (FIG. 5A, FIG. 6A, 7A, 8A and 9A) or closed opening 112 (as shown in Figures 5B, 6B, 7B, 8B and 9B). When the dustproof cover 140 does not close the opening 112, the dustproof cover 140 is flexibly housed in the casing 110.

In the present embodiment, the actuation module 160 includes a link set 161, a drive mechanism 162, a drive motor 163, and two slide rails 164. The link set 161 includes a plurality of links 161a that are pivotally connected to each other, and is coupled to the shaft portion 141f of the hard member 141 of the dust cover 140 and the drive mechanism 162. The driving mechanism 162 is coupled to the driving motor 163 by a gear set, for example, and the driving mechanism 162 and the driving motor 163 are disposed in the housing 110. The slide rails 164 are in different arc shapes and are located on one side of the opening 112. The slide rails 164 are respectively coupled to the spools 141d of the hard member 141. As shown in FIGS. 5A, 6A, 7A, 8A and 9A, in view of the embodiment in which the opening 112 of the head-up display 100a is in an unclosed state, the shaft portion 141f is disposed in the hard member 141 closer to the opening 112, and the number of the spools 141d If the two of the sliding posts 141d are disposed in the hard component 141 that is closer to the opening 112, and the other of the sliding posts 141d is disposed in the hard component 141 that is farther away from the opening 112, the sliding posts 141d may be The shaft portion 141f and the sliding rods 141d are respectively located on opposite sides of the dust cover 140; wherein the shaft portion 141f and the spool 141d (connecting member) can be the hard member 141. A part may be a connector assembled to the hard element 141. When the dust cover 140 received in the housing 110 is to close the opening 112, the drive motor 163 may be driven via the drive mechanism 162. To rotate the links 161a of the link set 161, the link set 161 drives the hard element 141 connected to the shaft portion 141f such that the hard element 141 connected to the shaft portion 141f passes through its spool 141d along the corresponding slide rail 164. Moving relative to the housing 110, the spool 141d of the other rigid element 141 is driven along the other rail 164 by the soft element 142, so that the dust cover 140 moves relative to the housing 110, thereby making the dust cover 140 closes the opening 112 (as shown in Figures 5B, 6B, 7B, 8B, and 9B).

Conversely, as shown in FIGS. 5B, 6B, 7B, 8B, and 9B, if the opening 112 is not closed, the drive motor 163 rotates the link set 161 via the drive mechanism 162, and the link set 161 drives the shaft The hard element 141 connected to the portion 141f is such that the hard element 141 connected to the shaft portion 141f moves relative to the housing 110 along its corresponding sliding rail 164 through its spool 141d, and then drives the other element via the soft element 142. The spool 141d of the hard member 141 moves along the other rail 164 such that the dust cover 140 moves to one side of the opening 112 with respect to the housing 110, and the two rigid members 142 having the groove 142c and the flexible member 142 The elements 141 are inclined to each other such that the dust cover 140 is housed in the casing 110 (as shown in FIGS. 5A, 6A, 7A, 8A, and 9A).

In summary, in the above embodiment of the present invention, the dust cover may include a plurality of hard components and soft components, and the hard component of the dust cover is moved by the actuation module to close or not close the opening of the casing. . When the head-up display is to be used for development, the dust-proof cover can be moved by the actuating module to close the opening, and the flexible elements can be obliquely stored on the head-up display through the flexible groove of the soft element. In the casing of the device, the mirror can be removed from the casing to the outside of the casing through the opening, and the hard components are stored in the casing obliquely through the groove, thereby saving the storage space and reducing the volume of the head-up display. When the head-up display finishes the development, the hard component of the dust cover can be moved by the actuation module and the soft element can be used to completely close the opening, so as to prevent the head-mounted display from being affected by light and dust.

In addition, in order to meet the requirements of the interior design of the automobile, the appearance of the dust cover can be designed as a curved surface, and the outer surface of the housing can also be designed as a curved surface, and the appearance of the dust cover can be designed and the housing. The outer surface is flush and substantially forms a single smooth curved surface. Therefore, when the head-up display is not used, the dust cover is not conspicuous, and the interior of the automobile is more beautiful.

The above is only the preferred embodiment of the present invention, and the scope of the invention is not limited thereto, that is, the simple equivalent changes and modifications made by the scope of the invention and the description of the invention are All remain within the scope of the invention patent. In addition, any of the objects or advantages or features of the present invention are not required to be achieved by any embodiment or application of the invention. In addition, the abstract sections and headings are only used to assist in the search of patent documents and are not intended to limit the scope of the invention. In addition, the terms "first" and "second" as used in the specification or the scope of the claims are only used to name the elements or distinguish different embodiments or ranges, and are not intended to limit the number of elements. Upper or lower limit.

100‧‧‧Headed display

110‧‧‧shell

110a‧‧‧Outer surface

112‧‧‧ openings

120‧‧‧Projector

122‧‧‧Display module

124‧‧‧Optical components

130‧‧‧Stack mirror

140‧‧‧Dust cover

141‧‧‧hard components

141a‧‧‧ first side

141b‧‧‧ second side

142‧‧‧Soft components

142a‧‧‧ appearance

142b‧‧‧Back

142c‧‧‧ groove

Claims (10)

A head-up display comprising: a housing having an opening; a projector disposed in the housing to provide an image beam; a stack of mirrors; a dust cover comprising a plurality of hard components and a soft component, wherein The soft component has a surface and defines a design surface, the soft component has a back surface opposite to the design surface, the back surface is flexiblely connected to any two adjacent rigid components; and the movable module is disposed at The dust cover is coupled to the dust cover to move the cover relative to the cover to close or not close the opening. When the dust cover closes the opening, the stack mirror is disposed in the housing. When the dust cover does not close the opening, the mirror moves through the opening to the outside of the housing and is positioned on the transmission path of the image beam. The head-up display of claim 1, wherein each of the hard elements has a first surface and a second surface opposite to the first surface, and the back surface of the flexible component covers the first surfaces And not covering the second faces to expose the second faces. The head-up display of claim 1, wherein the back surface of the flexible component has a groove, and the groove is recessed from the back surface and located between two adjacent rigid elements. The head-up display of claim 3, wherein the groove is an arcuate groove or a V-shaped groove. The heads-up display of claim 1, wherein a part of at least one of the hard components constitutes a connector coupled to the actuation module. The head-up display of claim 1, wherein the connector is a sliding sleeve, a stud, a spool or a shaft. The head-up display of claim 1, wherein the appearance surface is a curved surface, and when the dust cover closes the opening, the appearance surface is exposed outside the casing. The head-up display of claim 1, wherein the material of the hard component comprises plastic. The head-up display of claim 1, wherein the material of the soft component comprises rubber. The head-up display of claim 1, wherein when the dust cover does not close the opening, the hard elements are flexibly deformed by the concave groove, and the hard elements are stored in the housing obliquely to each other. .