JP2006227188A - Photographing light and illuminating method using the same - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a photographing light capable of optimum illumination, by uniformly irradiating a subject with light. <P>SOLUTION: In the photographing light 1, a plurality of organic EL elements 3, each having a planar light-emitting part 30 are arranged on a plate-like substrate 2. The organic EL elements 3R, 3G, and 3B have the function of emitting lights in red, green, and blue, respectively which are the primary colors. The organic EL elements 3R, 3G, and 3B are connected to a control circuit 4 and are turned on independently. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a photographing light using an organic EL element, and particularly relates to an illumination technique suitable for photographing with a television camera.

  In general, when photographing with a television camera or the like in a room where brightness is insufficient, a photographing illumination device for illuminating a subject is used.

  Conventionally, an incandescent light bulb has been used as the light source of this type of illumination device for photography. However, in recent years, it has been proposed to use a light-emitting diode because of its short life and large power consumption.

However, in such a lighting apparatus using a light emitting diode, there is a problem that the shadow becomes strong in the subject or the brightness is biased. In recent years, a technique for improving this has been sought.
JP 2003-163835 A

  The present invention has been made in consideration of the above-described problems, and provides a photographing light capable of optimal illumination by irradiating light uniformly on a subject and an illumination method using the same. Objective.

In order to achieve the above object, according to the first aspect of the present invention, a plurality of organic EL elements each having a planar light emitting portion that emits light of a predetermined color are arranged on a plate-like substrate, and the organic EL elements are respectively arranged. The photographing light is configured to be lit independently.
The invention described in claim 2 is characterized in that, in the invention described in claim 1, an organic EL element that emits light in the three primary colors of light is provided.
The invention described in claim 3 is characterized in that in the invention described in claim 1 or 2, the organic EL element that emits white light is provided.
According to a fourth aspect of the present invention, there is provided an illumination method characterized by using the photographing light according to any one of the first to third aspects and irradiating a subject with light from below.
A fifth aspect of the present invention is an illumination method using the photographing light according to any one of the first to third aspects to turn on an organic EL element that emits red light for illumination.
A sixth aspect of the present invention is a photographing camera in which the photographing light according to any one of the first to third aspects is configured to be integrally attached to the apparatus main body.

  In the case of the photographing light of the present invention, since illumination is performed by an organic EL element that emits light from the surface, the shadow on the subject is weaker and the brightness is less likely to be biased as compared to the prior art.

  In particular, in the case of the present invention, since the plurality of organic EL elements are individually lit, the subject can be turned on by lighting a specific organic EL element according to the shape, size, etc. of the subject. It is possible to perform uniform and optimal illumination for the above.

  In the present invention, when an organic EL element that emits light in the three primary colors of light is provided, illumination of various colors can be created to illuminate a wide range of subjects.

  In addition, in the present invention, when an organic EL element that emits white light is provided, illumination can be performed by creating soft illumination light with various nuances.

  Furthermore, if the subject is irradiated with light from below using the photographing light of the present invention, the shadow of normal lighting is canceled out, so that the skin color can be beautifully photographed when the subject is a human being. It becomes possible.

  On the other hand, according to the photographing camera in which the photographing light of the present invention is configured to be integrally attached to the apparatus main body, photographing can be performed while performing uniform and optimum illumination in various places such as outdoors. It can be carried out.

  Further, since the photographing light of the present invention uses an organic EL element that emits light at a low voltage, there is an advantage that it can be used for a long time.

  ADVANTAGE OF THE INVENTION According to this invention, the imaging | photography light which can perform optimal illumination by irradiating light to a to-be-photographed object uniformly, and the illumination method using the same can be provided.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings.
FIG. 1 is a plan view showing a basic configuration of a photographing light according to an embodiment of the present invention.

  As shown in FIG. 1, the photographing light 1 of the present embodiment has a holding substrate 2, and a plurality of panel-shaped organic EL elements 3 are arranged on the substrate 2.

In the present invention, the substrate 2 can be either rigid (hard) or flexible (soft), and the material is not particularly limited.
The size of the substrate 2 can be changed according to the part to be illuminated and the size of the organic EL element 1.

  In the case of the present embodiment, the organic EL element 3 has a planar planar light emitting portion 30. In the example shown in FIG. 1, each color of R (red), G (green), and B (blue) Organic EL elements 3R, 3G, and 3B having a function of emitting light are used.

  Here, each organic EL element 3R, 3G, 3B is connected to a predetermined control circuit 4, and is configured to be lit independently at a predetermined timing in accordance with a command from the control circuit 4.

  In the present invention, the arrangement of the organic EL elements 3 (3R, 3G, 3B) is not particularly limited, but from the viewpoint of enhancing the natural contrast close to sunlight, a so-called delta arrangement may be adopted. preferable.

FIG. 2 is a plan view showing another example of the photographing light of the present embodiment.
As shown in FIG. 2, in this example, the basic configuration is the same as that of the photographing light 1, but the organic EL element 3 </ b> R that emits light in each of R (red), G (green), and B (blue) In addition to 3G and 3B, an organic EL element 3W that emits white light (W) is included.

  In this case, the arrangement of the organic EL elements 3R, 3G, 3B, and 3W is not particularly limited, but the organic EL element 3R and the organic EL element 3W are not adjacent from the viewpoint of dispersing the peak wavelength of each element. It is preferable to arrange them as follows.

In the case of the photographing light 1 described above, illumination can be performed by combining various organic EL elements 3.
For example, in the case of the photographing light 1 shown in FIG. 1, the organic EL elements 3R, 3G, and 3B of R (red), G (green), and B (blue) can be turned on alone or in any combination.

  In the photographing light 1 shown in FIG. 2, the organic EL elements 3R, 3G, 3B, and 3W of R (red), G (green), B (blue), and W (white) are used alone or in any combination. Can be lit.

  In addition, it is also possible to change lightness, saturation, and hue by increasing / decreasing the light emission amount of the organic EL element 3 having a predetermined color.

FIG. 3 is an explanatory view showing an embodiment of the illumination method of the present invention.
As shown in FIG. 3, in the present embodiment, when the subject 5 is photographed with a television camera or the like, for example, a person 5 is illuminated with the photographing light 1 described above.

  In this case, the photographing light 1 can be opposed to the subject 5 and can emit light at various angles.

For example, when the light is radiated from below the subject 5 (e.g., the shooting light 1 </ b> A) placed at a position lower than the subject 5 (for example, on the floor), the front, side or Various arrangements are conceivable, such as when irradiating light from the rear side (photographing light 1B), or when irradiating light from above the subject 5 (photographing light 1C). It is done.
When the subject 5 is a human, it is preferable to irradiate light from below the subject 5 from the viewpoint of beautifully photographing the skin color.

FIG. 4 is an explanatory view showing another example of the arrangement of the photographing light in the present invention.
As shown in FIG. 4, when shooting a subject 5 sitting in front of a desk 6 such as an announcer or the like, for example, a shooting light 1 is placed under the desk 6 and the subject 5 is placed on the subject 5. Light is irradiated from below.

  In this case, it is preferable in terms of improving aesthetics if the photographic light 1 is arranged, for example, below the desk 6 so as to be hidden behind the desk 6 on the photographic screen 7.

  As described above, in the photographic light 1 of the present embodiment, since the illumination is performed by the organic EL element 3 that emits light, the shadow on the subject 5 is weaker than the conventional technique, and the brightness is biased. Less likely to occur.

  In particular, in the case of the present embodiment, each of the plurality of organic EL elements 3 is lit independently, and a specific organic EL element 3 is lit according to the shape, size, etc. of the subject 5. Thus, the subject 5 can be illuminated uniformly and optimally.

  In addition, the photographing light 1 shown in FIG. 1 includes the organic EL elements 3R, 3G, and 3B that emit light in the three primary colors of light, so that illumination light of various colors can be created to illuminate a wide range of subjects 5. It can be performed.

  In addition, since the photographing light 1 shown in FIG. 2 further includes the organic EL element 3W that emits white light, it is possible to perform illumination by creating soft illumination light with various nuances.

  On the other hand, by using the photographing light 1 of the present embodiment and irradiating the subject 5 with light from below, the skin color is beautifully photographed when the subject 5 is a human due to the effect of diffusely reflected light. be able to.

  FIG. 5 is an external configuration diagram of an embodiment of a photographing camera according to the present invention. In the following, portions corresponding to those in the above embodiment are denoted by the same reference numerals, and detailed description thereof is omitted.

  As shown in FIG. 5, the shooting camera 10 according to the present embodiment is a portable handy type TV camera so that the shooting light 1 according to the above-described embodiment is integrally attached to the apparatus main body 11. It is configured.

Here, the photographing light 1 is provided in the vicinity of the imaging lens 12 on the upper front side of the apparatus main body 11.
Then, the light emitting surface 1a of the photographing light 1 is configured to irradiate the subject with light while photographing while facing the subject (not shown).

  According to the present embodiment having such a configuration, photographing can be performed while performing uniform and optimum illumination in various places such as outdoors.

  In particular, since the photographic light 1 of the present invention uses an organic EL element that emits light at a low voltage, there is an advantage that it can be used for a long time. Since other configurations and operational effects are the same as those of the above-described embodiment, detailed description thereof is omitted.

The present invention is not limited to the above-described embodiment, and various changes can be made.
For example, in the above-described embodiment, the case of shooting with a television camera has been described as an example. However, the present invention is not limited to this, and can be applied to shooting with a video camera or a photographic camera, for example.

  In addition, the organic EL element used for the photographing light can be not only one that emits light in different colors but also one that emits light in the same color.

The top view which shows the basic composition of the imaging | photography light of embodiment of this invention The top view which shows the other example of the light for imaging | photography of the embodiment Explanatory drawing which shows embodiment of the illumination method of this invention Explanatory drawing which shows the other example of arrangement | positioning of the light for imaging | photography in this invention 1 is an external configuration diagram of an embodiment of a photographing camera according to the present invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Photographing light 2 ... Board | substrate 3 ... Organic EL element 5 ... Object 6 ... Desk 10 ... Camera for photography 30 ... Planar light emission part

Claims (6)

  A plurality of organic EL elements each having a planar light emitting portion that emits light of a predetermined color are arranged on a plate-like substrate, and each of the organic EL elements is turned on independently. For lights.   2. The photographic light according to claim 1, further comprising an organic EL element that emits light in three primary colors.   The photographic light according to claim 1, further comprising an organic EL element that emits white light.   4. An illumination method, comprising: using the photographing light according to claim 1; and irradiating a subject with light from below.   An illumination method, comprising: using the photographing light according to any one of claims 1 to 3 to light an organic EL element that emits red light.   A photographing camera according to any one of claims 1 to 3, wherein the photographing light is configured to be integrally attached to the apparatus main body.

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