TW201734357A - Headlamp structure and base thereof - Google Patents

Abstract

A headlamp structure used for projecting a light pattern includes a base, a light-emitting member, a reflector and a lens. A groove formed on the base has an end portion, a light extraction opening and a reflecting bottom surface located between the end portion and the light extraction opening. The reflecting bottom surface slopes toward the light extraction opening from the end portion and faces the light extraction opening. The reflecting bottom surface can prevent a light ray on cut-off line of the light pattern from dim by the reflecting bottom surface reflects the light to the lens from the light-emitting member to project the light pattern.

Description

Headlight structure and its base

The present invention relates to a vehicle light structure that is mounted on a vehicle for projecting a light type.

Referring to FIG. 1 and FIG. 1 , a conventional lamp structure 10 includes a base 11 , a light-emitting component 12 , a reflector 13 , a lens 14 , and a baffle 15 . The light-emitting element 12 is covered by the reflector 11, and the light emitted by the light-emitting element 12 is reflected by the reflector 13 and passes through the lens 14. The baffle 15 is disposed in the path of the light. To block part of the light so that the light passing through the lens 14 projects a light type A, please refer to Appendix 1, which is the light type A projected by the light of the lens 14, since the light type A is The light of the occlusion portion of the baffle 15 is formed, so that the light at the position of a cut-off line A1 of the light pattern A is blurred, causing the blur of the contour of the light pattern A to be incomplete, and the light blur due to the position of the cut-off line A1. Therefore, it affects the driver's line of sight and is liable to cause glare to the driver of the opposite lane.

SUMMARY OF THE INVENTION A primary object of the present invention is to provide a vehicle light structure and a base thereof for projecting a light pattern having a uniform light and a clear outline at a cutoff line position.

A lamp structure of the present invention comprises a base, a light-emitting member, a reflector and a lens, the base having a first surface and a second surface, the first surface comprising a first light-forming region and a second optical forming region, the first optical forming region is located at a side of the second optical forming region, and the first optical forming region is provided with a groove having an end portion, a light outlet, and a first reflective bottom surface, the first reflective bottom surface is located between the end portion and the light exiting end, the first reflective bottom surface is inclined from the end portion toward the light exiting direction, and the first reflective bottom surface faces the light exiting end, The first reflective bottom surface and a horizontal surface have a first angle, the first angle is an acute angle, the light emitting member is disposed on the base and located outside the groove, and the reflective cover covers the first light type Forming a space between the reflector and the base, the lens is disposed on the front side of the base, and the light exit is located between the lens and the first reflective bottom surface. The light emitted by the illuminating member is reflected by the first reflective bottom surface to the through .

The light emitted by the illuminating member of the present invention passes through the lens and projects a light pattern, and the first reflective bottom surface of the groove reflects and passes out the lens to make a cut-off position of the optical type. The light is clear and uniform, and the outline of the light pattern is clear.

Referring to Figures 2 and 3, an embodiment of the present invention provides a vehicle light structure 100 for forming a light pattern to comply with regulatory standards (e.g., regulations such as FMVSS 108 in the United States).

Referring to Figures 2, 3, 4 and 5, the lamp structure 100 includes a base 110, a light-emitting member 120, a reflector 130 and a lens 140. The light-emitting member 120 is disposed on the base 110. The cover 130 is disposed on the base 110 and covers the base 110. The reflector 130 and the base 110 have a space S1 (see FIG. 6). The lens 140 is disposed on the front side of the base 110. The lens 140 has a light incident surface 141 and a light exit surface 142.

Referring to FIGS. 4 and 6, the susceptor 110 has a first surface 111 and a second surface 112. The first surface 111 includes a first optical forming region 111A and a second optical forming region 111B. The first optical shaping zone 111A is located on the side of the second optical shaping zone 111B, and the reflective cover 130 covers the first optical shaping zone 111A and the second optical shaping zone 111B. The forming portion 111A is provided with a recess 113 having an end portion 113A, a light exiting 113B and a first reflecting bottom surface 113C. The first reflecting bottom surface 113C is located between the end portion 113A and the light exiting 113B. The first reflective bottom surface 113C is inclined from the end 113A toward the light exit 113B. The first reflective bottom surface 113C faces the light exit 113B and the lens 140, and the light exit 113B is located at the lens 140 and the first reflective Between the bottom surface 113C.

Referring to FIGS. 4 and 5 , the illuminating member 120 is located outside the recess 113 . In the embodiment, the pedestal 110 has a through hole 110 and communicates with the first surface 111 and the second surface 112 . The through hole 115 and a receiving groove 116 are disposed in the second surface 112. The receiving groove 116 communicates with the through hole 115. The light emitting member 120 is disposed in the receiving groove 116, and the through hole 115 exposes the light. The light-emitting member 120 may be selected from a light-emitting diode (LED) having a luminous intensity of 50 to a luminous power of 1000, and light emitted by the light-emitting member 120 is projected to the reflective cover 130 via the through-hole 115.

Referring to FIGS. 4, 5, and 6, the reflector 130 has a first reflective curved surface 131, and the first reflective curved surface 131 is located above the first reflective bottom surface 113C of the recess 113 and the illuminating member 120. The reflective curved surface 131 is configured to reflect the light emitted by the illuminating member 120, and the light emitted by the illuminating member 120 is projected toward the first reflective bottom surface 113C and the lens 140. The first reflective bottom surface 113C is directed to the first reflective surface 113C. The light exiting 113B and the lens 140 are inclined. Therefore, the light emitted by the light emitting element 120 can be reflected by the first reflective bottom surface 113C to the lens 140. Please refer to Appendix 2 for a light pattern formed by the light of the lens 140. B, since the first reflective bottom surface 113C reflects the light emitted by the illuminating member 120 to the lens 140 and forms the light pattern B through the lens 140, the light at a position of the cutoff line B1 of the light pattern B is clear and uniform, and The outline of the light type B is clear.

Referring to FIG. 6, a first angle D1 is formed between the first reflective bottom surface 113C and a horizontal surface X. The first angle D1 is an acute angle. Preferably, the angle of the first angle D1 is between 0.5 ̊ and Between 45 ̊, the light emitted by the illuminating member 120 can be projected to the lens 140 via the first reflective bottom surface 113C, so that the position of the cut-off line B1 of the light pattern B is clear and uniform.

Referring to Figures 4, 5 and 6, in the embodiment, the recess 113 further has a second reflective bottom surface 113D. The reflective cover 130 has a second reflective curved surface 132. The second reflective bottom surface 113D connects the first surface. a reflective bottom surface 113C, wherein the second reflective bottom surface 113D is located between the first reflective bottom surface 113C and the light exit 113B, and the second reflective bottom surface 113D is directed from the first reflective bottom surface 113C to the light exit 113B and the lens 140. The second reflective curved surface 132 is located above the second reflective bottom surface 113D of the recess 113.

Referring to FIGS. 4 and 5, since the second reflective bottom surface 113D is inclined from the first reflective bottom surface 113C toward the light exit 113B, the light emitted by the light emitting member 120 can be reflected by the second reflective bottom surface 113D. The lens 140 is such that the light at the position of the cut-off line B1 of the light pattern B is more clear and uniform.

Referring to FIG. 6, the second reflective bottom surface 113D and the horizontal surface X have a second angle D2, and the second angle D2 is an acute angle. Preferably, the angle of the second angle D2 is between 0.5 ̊ and Between 45 ̊, and the second angle D2 is not less than the first angle D1, the light emitted by the illuminating member 120 can be projected to the lens 140 via the first reflective bottom surface 113C and the second reflective bottom surface 113D, so that the The light of the cutoff line B1 of the light type B is more clear and uniform.

Referring to FIGS. 4 and 7, the second optical forming region 111B is provided with a convex portion 114 having a reflective slope 114A. The oblique direction of the reflective inclined surface 114A is opposite to the oblique direction of the first reflective bottom surface 113C. The second reflective curved surface 132 is located above the reflective inclined surface 114A of the convex portion 114. The reflective inclined surface 114A has an angle D with the horizontal plane, and the angle D is an acute angle. Preferably, the angle boundary of the angle D is The reflective slope 114A of the convex portion 114 is configured to reflect the light emitted by the illuminating member 120 to the first reflective curved surface 131 and the second reflective curved surface 132 of the reflective cover 130 between 0.5 ̊ and 30 ,, and The light emitted by the illuminating member 120 is projected to the lens 140 via the first reflective bottom surface 113C, the second reflective bottom surface 113D, the first reflective curved surface 131 and the second reflective curved surface 132 to increase light efficiency, please refer to Appendix 2, The reflective bevel 114A makes the light at the position of a cut-off line B2 of the light pattern B clear and uniform.

Referring to Figures 4, 5, 6, 7, and 8, the lamp structure further includes a fixing base 150 having a reflective curved surface 151. The lens 140 is disposed on the fixing base 150. The reflective curved surface 151 is convex. For the light incident surface 141, please refer to FIG. 8 , when the light emitted by the light emitting device 120 is reflected by the first reflective curved surface 131 and the second reflective curved surface 132 to the reflective curved surface 151 of the fixing base 150 , The reflective surface 151 can reflect the light emitted by the illuminating member 120 to the lens 140 to increase the light efficiency. In the embodiment, the pedestal 110 and the fixing base 150 have a space S2. Covering the space S, the light emitted by the illuminating member 120 passes through the space S2 and is reflected by the reflecting surface 151 to the lens 140, so that the cut-off line B1 and the cut-off line B2 of the light pattern B are positioned. Clear and uniform.

Referring to Figures 4, 5, 6 and 7, the lamp structure 100 further includes a fixing cylinder 160. The reflector 130 is disposed on the fixing cylinder 160, and the lens 140 is fixed to the fixing base 150 and the fixing cylinder. 160 in.

The first reflective surface 113C of the recess 113, the second reflective bottom surface 113D, and the reflective slope 114A of the convex portion 114 make the cutoff line B1 and the cutoff line B2 of the optical pattern B The light is clear and uniform, and the contour of the light profile B is clear and complete.

The scope of the present invention is defined by the scope of the appended claims, and any changes and modifications made by those skilled in the art without departing from the spirit and scope of the invention are within the scope of the present invention. .

10‧‧‧Light structure
11‧‧‧Base
12‧‧‧Lighting elements
13‧‧‧reflector
14‧‧‧ lens
15‧‧‧Baffle
100‧‧‧Light structure
110‧‧‧Base
111‧‧‧ first surface
111A‧‧‧First light forming area
111B‧‧‧Second light forming zone
112‧‧‧ second surface
113‧‧‧ Groove
113A‧‧‧End
113B‧‧‧Light exit
113C‧‧‧ first reflective bottom surface
113D‧‧‧second reflective bottom surface
114‧‧‧ convex
114A‧‧‧Reflective bevel
115‧‧‧Perforation
116‧‧‧ accommodating slots
120‧‧‧Lighting parts
130‧‧‧reflector
131‧‧‧First reflective surface
132‧‧‧Second reflective surface
140‧‧‧ lens
141‧‧‧Into the glossy surface
142‧‧‧Glossy
150‧‧‧ fixed seat
151‧‧‧Reflective surface
160‧‧‧ fixed cylinder
A‧‧‧Light type
A1‧‧‧ cut-off line
B‧‧‧Light type
B1‧‧‧ cutoff line
B2‧‧‧ cut-off line
D1‧‧‧ first angle
D2‧‧‧second angle
D‧‧‧ angle
S1‧‧‧ space
S2‧‧‧ space
X‧‧‧ water level

Fig. 1: A perspective view of a conventional lamp structure. Fig. 2 is a perspective view showing the structure of the lamp of the present invention. Fig. 3 is a perspective view showing the structure of the lamp of the present invention. Fig. 4 is an exploded view showing the structure of the lamp of the present invention. Fig. 5 is an exploded view showing the structure of the lamp of the present invention. Figure 6 is a cross-sectional view showing the structure of the lamp of the present invention. Figure 7 is a cross-sectional view showing the structure of the lamp of the present invention. Figure 8 is a schematic view showing the light path of the lamp structure of the present invention. Annex 1: Schematic diagram of the light shape produced by the conventional lamp structure. Annex 2: Schematic diagram of the light shape produced by the lamp structure of the present invention.

100‧‧‧Light structure

110‧‧‧Base

111‧‧‧ first surface

111A‧‧‧First light forming area

111B‧‧‧Second light forming zone

112‧‧‧ second surface

113‧‧‧ Groove

113A‧‧‧End

113B‧‧‧Light exit

113C‧‧‧ first reflective bottom surface

113D‧‧‧second reflective bottom surface

114‧‧‧ convex

114A‧‧‧Reflective bevel

115‧‧‧Perforation

120‧‧‧Lighting parts

130‧‧‧reflector

131‧‧‧First reflective surface

132‧‧‧Second reflective surface

140‧‧‧ lens

141‧‧‧Into the glossy surface

142‧‧‧Glossy

150‧‧‧ fixed seat

151‧‧‧Reflective surface

160‧‧‧ fixed cylinder

Claims (21)

A lamp structure includes: a base having a first surface and a second surface, the first surface comprising a first optical forming zone and a second optical forming zone, the first optical forming zone On the side of the second optical forming region, the first optical forming region is provided with a groove having an end portion, an optical outlet and a first reflective bottom surface, wherein the first reflective bottom surface is located at the end Between the portion and the light exit, the first reflective bottom surface is inclined from the end portion toward the light exiting direction, the first reflective bottom surface faces the light exit, and the first reflective bottom surface and a horizontal plane have a first angle. The first angle is an acute angle; a light-emitting member is disposed on the base and located outside the groove; a reflector covers the first light-shaped forming area and the second light-shaped forming area, the reflecting cover Having a space with the pedestal; and a lens disposed on the front side of the pedestal, wherein the light exit is located between the lens and the first reflective bottom surface, and the light emitted by the illuminating member is reflected by the first light The bottom surface is reflected to the lens. The vehicle lamp structure of claim 1, wherein the groove has a second reflective bottom surface, the second reflective bottom surface is connected to the first reflective bottom surface, and the second reflective bottom surface is located on the first reflective bottom surface. The second reflective bottom surface is inclined by the first reflective bottom surface toward the light exiting direction, and the second reflective bottom surface and the horizontal plane have a second angle, and the second included angle is an acute angle. The vehicle lamp structure of claim 2, wherein the second angle is not less than the first angle. The vehicle lamp structure of claim 1, wherein the first angle is between 0.5 45 and 45 角度. The vehicle lamp structure of claim 2, wherein the angle of the second angle is between 0.5 45 and 45 。. The vehicle lamp structure of claim 1 or 2, wherein the second optical profile forming region is provided with a convex portion having a reflective slope, the reflective slope being located at a side of the groove, and the The oblique direction of the reflective slope is opposite to the oblique direction of the first reflective bottom surface. The vehicle lamp structure of claim 6, wherein the reflective bevel has an angle with the horizontal plane, the angle being an acute angle. The vehicle lamp structure of claim 7, wherein the angle of the angle is between 0.5 ̊ and 30 。. The vehicle lamp structure of claim 1, further comprising a fixing base having a reflective curved surface, the lens being disposed on the fixing base, the lens having a light incident surface and a light emitting surface, the reflection The surface protrudes from the light entrance surface. The vehicle lamp structure of claim 9, wherein the base has a space between the base and the fixed seat, and the reflector covers the space above the space, and the light emitted by the light-emitting member passes through the space. And reflected by the reflective surface to the lens. The vehicle lamp structure of claim 1, wherein the reflector has a first reflective curved surface, the first reflective curved surface being located on the first reflective bottom surface of the recess and above the illuminating member. The vehicle lamp structure of claim 2, wherein the reflector has a first reflective curved surface and a second reflective curved surface, the first reflective curved surface is located at the first reflective bottom surface of the recess and the illuminating member Above, the second reflective curved surface is located above the second reflective bottom surface of the recess. The vehicle lamp structure of claim 6, wherein the reflector has a first reflective curved surface and a second reflective curved surface, the first reflective curved surface is located at the first reflective bottom surface of the recess and the illuminating member Upper, the second reflective curved surface is located above the second reflective bottom surface of the recess and the reflective slope of the convex portion. A base for a lamp structure has a first surface and a second surface, the first surface comprising a first optical forming zone and a second optical forming zone, wherein the first optical forming zone is in the first a side of the first light-shaped forming region, the first light-shaped forming region is recessed with a groove, the groove has an end portion, a light outlet and a first reflective bottom surface, wherein the first reflective bottom surface is located at the end portion The first reflective bottom surface is inclined from the end portion toward the light exiting direction, and the first reflective bottom surface and a horizontal surface have a first angle, and the first included angle is an acute angle. The base of the lamp structure of claim 14, wherein the groove has a second reflective bottom surface, the second reflective bottom surface is connected to the first reflective bottom surface, and the second reflective bottom surface is located at the first Between the reflective bottom surface and the light exit, the second reflective bottom surface is inclined from the first reflective bottom surface toward the light exit direction, and the second reflective bottom surface and the horizontal plane have a second angle, the second angle is an acute angle . The base of the lamp structure of claim 15, wherein the second angle is not less than the first angle. The base of the lamp structure of claim 14, wherein the first angle is between 0.5 45 and 45 。. The base of the lamp structure of claim 15, wherein the angle of the second angle is between 0.5 45 and 45 。. The pedestal of the vehicle lamp structure of claim 14 or 15, wherein the second optical forming region is provided with a convex portion having a reflective slope, the oblique direction of the reflective inclined surface and the first The reflective bottom surface is inclined in the opposite direction. The base of the lamp structure of claim 19, wherein the reflective bevel has an angle with the horizontal plane, the angle being an acute angle. The base of the lamp structure of claim 20, wherein the angle of the included angle is between 0.5 ̊ and 30 。.