WO2015006889A1

WO2015006889A1 - External oled illuminating lamp for photographic camera or video camera

Info

Publication number: WO2015006889A1
Application number: PCT/CN2013/001238
Authority: WO
Inventors: 林璧光
Original assignee: Lin Biguang
Priority date: 2013-07-15
Filing date: 2013-10-14
Publication date: 2015-01-22
Also published as: CN103345106A

Abstract

An external OLED illuminating lamp for a photographic camera or a video camera, comprising a lamp housing (1), an electric light source (2), a circuit board (3), a battery (4) and a connector (5), wherein the electric light source (2) is arranged on the lamp housing (1); the connector (5) is used to mate a photographic camera or a video camera; the electric light source (2) is installed and fixed to the front end of the lamp housing (1); the electric light source (2) is an OLED light source (2) of which the thickness is less than or equal to 2 mm, the length is 50-450 mm, the width is 40-450 mm, and the colour temperature is 3000-7000 K; and the battery (4) conducts a power supply connection with the OLED light source (2) through the circuit board (3). The illuminating lamp can overcome the deficiencies that an external LED illuminating lamp for the existing photographic camera or video camera needs to be externally provided with components, such as a uniform light cover, a soft light cover, etc., so as to improve the uniformity and softness of illumination thereof, and a high-power light source needs to be provided with a special radiator, so that the volume is larger, the weight is heavier, and it is not convenient to carry.

Description

External 0LED type illumination lamp for camera or video camera

The present invention relates to a lighting device for photographing or photographing, and more particularly to an OLED type illuminating lamp which is externally connected or mated with a photographic or image pickup apparatus.

Background technique

The OLED is abbreviated as 0LED, which is a new type of semiconductor light source developed in recent years. It is formed by coating or plating an electroluminescent layer on a substrate. Compared with the prior semiconductor light source LED, it has the characteristics of uniform illumination, low heat generation, more power saving, ultra-thin, light weight, fast response, easy installation, simple manufacturing process and low cost. However, currently 0LED is mainly used in the field of flat panel display, and it is not mature enough and widely used in the field of illumination.

Chinese Patent No. 201220149552. No. 5 discloses a built-in mobile phone 0LED ring flash, which is a ring-shaped LED flash cut according to the size of the mobile phone camera. It is placed on the outside of the lens and can be placed on the base surrounding the lens. The power is taken from the mobile phone. Flash power supply. However, this technical solution cannot be used for external 0LED type lamps for cameras or cameras.

The external LED type illuminating lamps for cameras or video cameras currently in common use have the following defects: First, the uniformity of light emission and the degree of softness are poor, and it is often necessary to add a light-shielding cover, a diffuser cover and the like to improve the illumination thereof. Uniformity and softness; Second, the high-power LED light source, the heat is very large, need to set up a special radiator, the structure is complex, the cost is higher; Third, the volume is larger, the weight is heavier, and the carrying is inconvenient.

Summary of the invention

In order to overcome the existing external LED type illumination lamps for cameras or cameras, it is necessary to add a uniform mask, a diffuser, and the like to improve the uniformity and softness of the illumination. The high-power LED light source needs to be provided with a special heat sink. The object of the present invention is to provide an improved external OLED type illumination lamp for a camera or a video camera, which can overcome the drawbacks of the prior art, such as large size, heavy weight, and inconvenience of carrying.

The technical solution adopted by the present invention to solve the technical problem thereof is: an external OLED type illuminating lamp for a camera or a camera, comprising a lamp housing and an electric light source, a circuit board, a battery, a camera or a camera disposed on the lamp housing The connector is characterized in that: the electric light source is mounted on the front port of the lamp housing and has a thickness of 2 mm or less, a length of 50 to 450, a width of 40 - 450 瞧, and a color temperature of 3000 to 7000 K (Kelvin). The OLED LED is powered by the circuit board and the OLED light source.

An electrode contact may be provided between the circuit board and the OLED light source described in the above technical solution. a plurality of conductive rubber blocks are arranged on the electrode contact seat, the front end of the conductive rubber block protrudes from the front end surface of the electrode contact seat, and is used for contacting the electrode on the OLED light source, and the rear end of the conductive rubber block protrudes from the rear end surface of the electrode contact seat. , used to contact the electrodes on the board.

The 0LED light source described in the above technical solution may be a two-color temperature type 0LED light source whose color temperature can be changed.

The OLED light source described in the above technical solution has the same length and width, such as 50mm X 50mm, l OOtnm x 100, etc. The OLED light source used in the present invention may be a plurality of small size OLED LEDs. Stitching composition.

The front end surface of the electrode contact seat described in the above technical solution may be provided with a concave platform for accommodating the rear convex portion of the 0 LED light source to further reduce the thickness of the illumination lamp.

The circuit board described in the above technical solution may be provided with a driving circuit, a dimming circuit, a flash circuit or a power display circuit.

The mating camera or camera connector described in the above technical solution may be a hot shoe type socket or a hot shoe type plug provided on the outer side of the lamp housing.

The mating camera or camera connector described in the above technical solution may be constituted by an extension rod fixed to the lamp housing and a hot shoe type socket or a hot shoe type plug mounted on the extension rod.

The mating camera or camera connector described in the above technical solution may be constituted by a connecting arm hinged to the outside of the lamp housing and a hand-rotating screw rotatably fitted to the connecting arm for connecting a screw hole of a camera or a camera stand.

The mating camera or camera connector described in the above technical solution may be a locking head for attaching a mount of a camera or a professional use place of the camera.

The battery of the above technical solution may be a built-in battery mounted on a flashing light, an external battery connected to the flashing light, or a card holder for mounting the battery.

The lamp housing described in the above technical solution can adopt various suitable shapes and sizes.

The invention has the following advantages: First, since the light emitted by the whole OLED light source is uniform and soft, the illuminating lamp for the camera or the camera does not need to be added with a uniform mask, a soft mask or the like to improve the uniformity and softness thereof. Second, because the 0LED light source generates very little heat, there is no need to set up a special radiator, so the structure of the camera or camera illumination lamp is simple and the cost can be greatly reduced. Third, due to the ultra-thin characteristics of the 0LED light source, the camera or camera illumination The volume of the lamp is significantly reduced, the weight is significantly reduced, and it is more convenient to carry the illumination lamp. 4. By providing an electrode contact seat between the circuit board and the OLED light source, the circuit board and the OLED are realized by a plurality of conductive rubber blocks of the electrode contact seat. The electrical connection between the light sources can be greatly simplified The electrical connection structure of the OLED type illumination lamp is convenient for manufacturing and maintenance.

The invention will be further described below in conjunction with the drawings and embodiments. DRAWINGS

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a front perspective view of an embodiment of the present invention.

Figure 2 is a rear perspective view of Figure 1.

Figure 3 is a perspective view of the disassembled component of Figure 1.

Figure 4 is a rear perspective view of the electrode contact block of Figure 3.

Figure 5 is a front perspective view of another embodiment of the present invention.

Figure 6 is a rear perspective view of Figure 5.

Figure 7 is a perspective view of the disassembled component of Figure 5.

Figure 8 is a front perspective view of still another embodiment of the present invention.

Figure 9 is a perspective view of the disassembled component of Figure 8.

In the figure: 1, lamp housing; 2, electric light source (0LED light source); 3, circuit board; 4, battery; 5, with camera or camera connector; 6, front port; 7, electrode contact seat; 8, conductive Rubber block; 9, concave platform; 10, joint; 11, dimming knob; 12, power test button; 13, power display; 14, power switch; 15, external power socket; 16, lamp housing; Light source (0LED light source); 18, circuit board; 19, battery; 20, connector with camera or camera; 21, front port; 22, electrode contact seat; 23, conductive rubber block; 24, concave platform; 26, hand screw; 27, dimming knob; 28, power switch; 29, external power socket; 30, lamp housing; 31, electric light source (0LED light source); 32, circuit board; 33, battery; 34, with Camera or camera connector; 35, front port; 36, electrode contact seat; 37, conductive rubber block; 38, concave platform; 39, slider frame; 40, annular hole.

detailed description

Referring to Figures 1 to 4, the external OLED type illumination lamp for the camera or the camera is an illumination lamp with adjustable illumination direction mounted on the hot shoe socket of the advanced type camera device, including the lamp housing 1 and the setting An electric light source 2 on the lamp housing 1, a circuit board 3, a battery 4, and a connector 5 for matching a camera or a camera, wherein: the electric light source 2 is mounted and fixed on the front port 6 of the lamp housing 1 and has a thickness smaller than that. The OLED is equal to 2, the length is 50-450 mm, the width is 40-450 mm, and the color temperature is 3000-7000K. The battery 4 is connected to the OLED light source 2 through the circuit board 3.

In addition, an electrode contact seat 7 is disposed between the circuit board 3 and the OLED light source 2, and a plurality of conductive rubber blocks 8 and the like are disposed on the electrode contact base 7. The front end of the conductive rubber block 8 protrudes from the front end of the electrode contact seat 7. Surface, used to contact the electrode on the OLED light source 2, the rear end of the conductive rubber block 8 protrudes from the electrode contact The rear end surface of the seat 7 is for contacting the electrode on the circuit board 3; the front end surface of the electrode contact seat is provided with a concave platform 9 for accommodating the rear convex portion of the OLED light source 2; the connector 5 for the camera or camera is a hot shoe type pin having a joint 10 for adjusting the illumination angle of the lamp; the circuit board 3 is provided with a driving circuit, a dimming circuit and a power display circuit, and a dimming knob 11 and a power test button are respectively arranged outside the lamp housing 1 12 and the power display 1 3; The battery 4 is a card holder for mounting the battery block; the power supply switch 14 and the external power socket 15 are further disposed outside the lamp housing 1.

Referring to FIG. 5 to FIG. 7 , an external OLED type illuminating lamp for the camera or the camera is an illuminating lamp with adjustable illumination direction installed in a professional use place of a camera or a camera, and includes a lamp housing 16 and a lamp housing. The electric light source 17, the circuit board 18, the battery 19, and the connector 20 of the camera or camera are characterized in that: the electric light source 17 is mounted on the front port 21 of the lamp housing 16 and has a thickness of less than or equal to 2 legs. The illuminating light source is 50-450 mm, the width is 40-450 mm, and the color temperature is 3000-7000K. The battery 19 is connected to the OLED light source 17 through the circuit board 18.

In addition, an electrode contact seat 22 is disposed between the circuit board 18 and the OLED light source 17. The electrode contact seat 22 is provided with a plurality of conductive rubber blocks 23 and the like. The front end of the conductive rubber block 23 protrudes from the front end of the electrode contact seat 22. The surface is used to contact the electrode on the OLED light source 17, and the rear end of the conductive rubber block 23 protrudes from the rear end surface of the electrode contact seat 22 to contact the electrode on the circuit board 18; the front end surface of the electrode contact seat 22 is provided a concave platform 24 for accommodating the rear convex portion of the OLED light source 17; the connector 20 for photographic or video camera is a locking head for attaching a fixing frame for a professional use place of a camera or a camera, and the upper bracket 25 of the locking head has two sides a hand screw 26 for adjusting and locking the illumination angle of the lamp; a circuit board 18 is provided with a driving circuit and a dimming circuit, and a dimming knob 27 is disposed outside the lamp housing 16; the battery 19 is a card holder for mounting the battery block A power switch 28 and an external power socket 29 are further disposed outside the lamp housing 16.

Referring to FIG. 8 to FIG. 9, an external OLED type illuminating lamp for a camera or a video camera, which is an annular illuminating lamp connected to a screw hole of a tripod of a camera, includes a lamp housing 30 and an electric power provided on the lamp housing 30. The light source 31, the circuit board 32, the battery 33, and the connector 34 of the camera or camera are characterized in that: the electric light source 31 is mounted on the front port 35 of the lamp housing 30 with a thickness of 2 小于 or less and a length of 50 ~450 hidden, 0LED light source with a width of 40 ~ 450mm and a color temperature of 3000 ~ 7000K, the battery 33 is connected to the OLED light source 31 through the circuit board 32 for power supply connection.

In addition, an electrode contact seat 36 is disposed between the circuit board 32 and the OLED light source 31. The electrode contact block 36 is provided with a plurality of conductive rubber blocks 37 and the like. The front end of the conductive rubber block 37 protrudes from the front end of the electrode contact seat 36. The surface is used to contact the electrode on the OLED light source 31. The rear end of the conductive rubber block 37 protrudes from the rear end surface of the electrode contact seat 36, and contacts the electrode on the circuit board 32. The front end surface of the electrode contact holder 36 There is a concave platform 38 for accommodating a rear convex portion of the OLED light source 31; a connector 34 for photographic camera or camera is a hand screw connected to a screw hole of the camera's tripod, and the lamp housing 30 is provided with a hand a mounting seat 39 of the camera with a screw-fitted screw, an adjustment slider 40 for adjusting the front and rear positions of the main body of the illumination lamp, and the like; a circuit board 32 is provided with a driving circuit; and the battery 33 is a mounting battery block. The card seat; the ring hole 41 is the shooting window of the camera.

Claims

Rights request

1. An external OLED lighting lamp for photography or video cameras, including a lamp housing and an electric light source arranged on the lamp housing, a circuit board, a battery, and a connector for photography or video cameras, characterized by: the electric light source It is an OLED light source with a thickness of less than or equal to 2 mm, a length of 50 ~ 450mm, a width of 40 ~ 450mm, and a color temperature of 3000 ~ 7000K installed and fixed on the front port of the lamp housing. The battery is powered by the circuit board and the OLED light source. connect.

2. The external OLED type lighting lamp for photography or video camera according to claim 1, characterized in that an electrode contact seat is provided between the circuit board and the OLED light source, and a plurality of conductive rubber blocks are provided on the electrode contact seat. , the front end of the conductive rubber block protrudes from the front end surface of the electrode contact seat and is used to contact the electrodes on the OLED light source. The rear end of the conductive rubber block protrudes from the rear end surface of the electrode contact seat and is used to contact the electrodes on the circuit board.

3. The external OLED lighting lamp for photography or video camera according to claim 1 or 2, characterized in that the OLED light source is a dual-color temperature OLED light source with high and low color temperature changeable.

4. The external OLED lighting lamp for photography or video camera according to claim 1 or 2, characterized in that the OLED light source is composed of two or more small OLED light sources spliced together.

5. The external OLED type lighting lamp for photography or video camera according to claim 2, characterized in that the front end surface of the electrode contact seat is provided with a concave platform that accommodates the rear protruding part of the OLED light source.

6. The external OLED lighting lamp for photography or video cameras according to claim 1 or 2, characterized in that the connector for photography or video cameras is a hot shoe type socket or hot-shoe type socket arranged outside the lamp housing. shoe plug

7. The external OLED lighting lamp for photography or video cameras according to claim 1 or 2, characterized in that the connector for photography or video cameras is a locking head connected to a fixed frame in a place where photography or video cameras are used professionally. .

8. The external OLED lighting lamp for photography or video cameras according to claim 1 or 2, characterized in that the photo or video camera connector is a hand screw connected to the screw hole of the tripod of the camera. The lamp housing is provided with a camera placement seat that cooperates with the hand screw. An adjustment slide rod for adjusting the front and rear position of the lighting lamp body is provided between the placement seat and the main body of the lighting lamp.