JP2019102156A - Lighting device - Google Patents
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
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Abstract
Description
本発明は、照明装置に関し、光源となる赤色光、青色光、緑色光の各発光手段の発光量の総和を略一定にしたままそれぞれの発光手段の発光量比を変化させることができる照明装置に関する。 The present invention relates to a lighting device, and a lighting device capable of changing the light emission ratio of each light emitting means while keeping the total of the light emitting amounts of red light, blue light and green light emitting means as light sources substantially constant. About.
メラトニンは動物、植物が有するホルモンのひとつであり、メラトニンの分泌が睡眠促進などの生体リズムの調整に関与している。そして、ヒトにおいてメラトニンは脳に存在する内分泌器である松果体により生成させる。メラトニンの分泌は日中の日射しを受けることで抑制され、暗くなるにつれて分泌量が増える。分泌されるメラトニンが脈拍、体温、血圧などを低下させることで睡眠が促される。 Melatonin is one of the hormones possessed by animals and plants, and the secretion of melatonin is involved in the regulation of biological rhythms such as promoting sleep. And in humans, melatonin is produced by the pineal gland, an endocrine organ present in the brain. Secretion of melatonin is suppressed by receiving sunlight during the day, and the amount of secretion increases as it gets dark. The secretion of melatonin promotes sleep by lowering the pulse, body temperature, blood pressure and the like.
このようにメラトニンの分泌は光の影響を受けるのであるが、とくに波長が約460 nmから480nmの主に青色の光によってメラトニンの分泌が抑制されることが知られている。したがって、この波長の青色光を夕方以降も受けてメラトニンの分泌が抑制されることで、夜間になっても眠気が誘発されず睡眠不足や睡眠障害をもたらすおそれがある。また、単に睡眠不足や睡眠障害をもたらすだけでなく、体内時計の周期を狂わすことで、健康などに諸々の悪影響を及ぼしかねない。とくに現代人においては夜間においても照明装置が発する光を浴びながら生活することが常であり、体内時計の乱調のリスクが日常的に存在していると言える。 Thus, although melatonin secretion is affected by light, it is known that melatonin secretion is suppressed by mainly blue light having a wavelength of about 460 nm to 480 nm. Therefore, by receiving blue light of this wavelength even after the evening and suppressing the secretion of melatonin, sleepiness is not induced even at night, which may result in lack of sleep and sleep disorder. In addition to simply causing sleep deprivation and sleep disorder, it is possible to have various adverse effects on health etc. by changing the cycle of the biological clock. Especially in modern people, it is usual to live in the nighttime while being exposed to the light emitted by the lighting device, and it can be said that the risk of the physical clock rhythm exists on a daily basis.
メラトニンの分泌に青色の光が影響を及ぼすことに鑑み、体内リズムを好ましく調整するための技術として、例えば、青色発光体の発光強度を調整することで使用者の生体リズムを調整して、かつ色温度を略一定に保ち白色光を形成する光源に係る技術がある（特許文献１）。 In view of the influence of blue light on melatonin secretion, as a technique for preferably adjusting the in-vivo rhythm, for example, adjusting the luminous intensity of the blue light emitter adjusts the user's biological rhythm, and There is a technique relating to a light source which maintains white color temperature substantially and forms white light (Patent Document 1).
特許文献１に開示されている技術は光源の色温度を略一定にすることで、色温度の変化によりもたらされる使用者の違和感を防止することができるというメリットがある。しかし、メラトニンの分泌を促すために青色発光体の発光強度を弱めつつ色温度を略一定にしようとする場合、青色発光体の発光強度のみならず緑色発光体及び赤色発光体の発光強度をも弱めることになるため光源による明るさも低下することになる。したがって、明るさを維持することが求められる照明装置に係る技術を適用することはできない。 The technique disclosed in Patent Document 1 has an advantage that the user's discomfort caused by the change in color temperature can be prevented by making the color temperature of the light source substantially constant. However, if it is intended to make the color temperature substantially constant while reducing the emission intensity of the blue emitter to promote the secretion of melatonin, not only the emission intensity of the blue emitter but also the emission intensities of the green and red emitters. Since the light is weakened, the brightness of the light source is also lowered. Therefore, it is not possible to apply the technology related to the lighting device that is required to maintain the brightness.
上記課題を解決するために、以下の照明装置などを提供する。すなわち、赤色光を発光する赤色発光手段と、青色光を発光する青色発光手段と、緑色光を発光する緑色発光手段とを有する発光部と、時間を測定する計時部と、計時部での計時に応じて前記三つの発光手段の発光量の総和を略一定にしたままそれぞれの発光手段の発光量比を変化させるための調節部と、を有する照明装置を提供する。 In order to solve the said subject, the following illuminating devices etc. are provided. That is, a light emitting unit having red light emitting means for emitting red light, blue light emitting means for emitting blue light, green light emitting means for emitting green light, a time measuring unit for measuring time, and time measurement in the time measuring unit According to the present invention, there is provided a lighting device comprising: a control unit for changing the light emission ratio of each light emitting unit while keeping the total of the light emitting amounts of the three light emitting units substantially constant.
また、上記の照明装置において、計時部は時刻を計時する時刻計時手段を有し、調節部は計時された時刻に応じて発光量比を変化させる時刻依存発光量比調節手段を有する照明装置を提供する。 Further, in the above-mentioned illumination device, the timing unit has time measurement means for measuring time, and the adjustment unit has the time-dependent emission amount ratio adjustment means for changing the emission amount ratio according to the measured time. provide.
また、赤色光を発光する赤色発光手段と、青色光を発光する青色発光手段と、緑色光を発光する緑色発光手段とを有する発光部と、人の覚醒度合に関する生体情報を取得する覚醒度合生体情報取得部と、覚醒度合生体情報取得部で取得した人の覚醒度合に関する生体情報に応じて前記三つの発光手段の発光量の総和を略一定にしたままそれぞれの発光手段の発光量比を変化させるための調節部と、を有する照明装置を提供する。 In addition, a light emitting unit having a red light emitting unit that emits red light, a blue light emitting unit that emits blue light, and a green light emitting unit that emits green light, and an awakening degree living body acquiring biological information about the awakening degree of a person The light emission ratio of each light emitting means is changed while keeping the total of the light emitting amounts of the three light emitting means substantially constant according to the biological information about the awakening degree of the person acquired by the information acquiring unit and the awakening degree biological information acquiring unit And an adjusting unit for turning on the light.
また、上記の照明装置において、覚醒度合生体情報取得部は、デスクワーク作業効率の低下、運転中の居眠、疲労による運動能力の低下、対話における適切な言葉の選択効率の低下、のいずれか一以上を測定する効率・能率測定手段を有し、調節部は測定された値に応じて発光量比を変化させる効率・能率依存発光量比調節手段を有する照明装置を提供する。 In the lighting device described above, the awakening degree biological information acquisition unit is any one of a decrease in desk work efficiency, a sleepiness while driving, a decrease in exercise ability due to fatigue, and a decrease in selection efficiency of appropriate words in dialogue. An illumination apparatus is provided which has efficiency / efficiency measurement means for measuring the above, and the adjustment unit has efficiency / efficiency-dependent light emission ratio adjustment means for changing the light emission ratio according to the measured value.
また、上記のいずれかの照明装置を有する動物飼育施設を提供する。 Also, the present invention provides an animal breeding facility having any of the lighting devices described above.
また、上記のいずれかの照明装置を有する野菜栽培施設を提供する。 In addition, a vegetable cultivation facility having any of the lighting devices described above is provided.
また、上記のいずれかの照明装置を有する穀類栽培施設を提供する。 In addition, there is provided a cereal cultivation facility having any of the lighting devices described above.
また、上記のいずれかの照明装置を有する魚介類養殖施設を提供する。 In addition, there is provided a fish culture facility having any of the lighting devices described above.
また、上記のいずれかの照明装置を有する病室を提供する。 In addition, there is provided a hospital room having any of the above lighting devices.
また、上記のいずれかの照明装置を有する細胞培養装置を提供する。 In addition, there is provided a cell culture device having any of the above-mentioned lighting devices.
また、赤色光を発光する赤色発光手段と、青色光を発光する青色発光手段と、緑色光を発光する緑色発光手段とを有する発光部と、時間を測定する計時部と、計時部での計時に応じて前記三つの発光手段の発光量の総和を略一定にしたままそれぞれの発光手段の発光量比を変化させるための調節部と、を有するディスプレイを提供する。 In addition, a light emitting unit having red light emitting means for emitting red light, blue light emitting means for emitting blue light, green light emitting means for emitting green light, a time measuring unit for measuring time, and time measurement in the time measuring unit According to the invention, there is provided a display including: a control unit for changing the light emission ratio of each light emitting means while keeping the total of the light emitting amounts of the three light emitting means substantially constant.
以上のような構成による本発明により、赤色、青色及び緑色の各発光手段の発光量の総和を略一定にしたまま、時間に応じて青色光の発光を抑制するといった調節などを行うことのできる照明装置を提供することができる。 According to the present invention having the above-described configuration, it is possible to perform adjustment such as suppressing blue light emission according to time while keeping the total of the light emission amounts of the red, blue and green light emitting means substantially constant. A lighting device can be provided.
以下に、図を用いて本発明の実施の形態を説明する。なお、本発明はこれら実施の形態に何ら限定されるものではなく、その要旨を逸脱しない範囲において、種々なる態様で実施しうる。
＜実施形態１＞
＜概要＞
Hereinafter, embodiments of the present invention will be described with reference to the drawings. The present invention is not limited to these embodiments at all, and can be implemented in various modes without departing from the scope of the invention.
First Embodiment
<Overview>
本実施形態は、赤色、青色及び緑色の三色の発光手段を有する照明装置であって、時間に応じてかかる三つの発光量の総和を略一定にしたままそれぞれの発光手段の発光量比を変化させることができる照明装置である。かかる構成により、例えば人が感じる明るさを大きく変化させることなく青色光の発光量を相対的に減らすことでメラトニンの分泌を促すことができる。
＜構成＞
The present embodiment is a lighting device having light emitting means of three colors of red, blue and green, and the light emitting ratio of each light emitting means is kept while keeping the sum of the three light emitting amounts substantially constant according to time. It is a lighting device that can be changed. According to such a configuration, it is possible to promote the secretion of melatonin by relatively reducing the amount of blue light emission, for example, without largely changing the brightness perceived by a person.
<Configuration>
図１は、本実施形態の照明装置の機能ブロックの一例を示すブロック図である。図示するように、本実施形態の照明装置０１００は、発光部０１０１と、計時部０１０２と、調節部０１０３とを有する。そして、発光部は、赤色発光手段０１０４と、青色発光手段０１０５と、緑色発光手段０１０６とを有する。
FIG. 1: is a block diagram which shows an example of the functional block of the illuminating device of this embodiment. As illustrated, the
本明細書に記載の各実施形態は装置として実現できるのみでなく、その一部または全部を方法としても実現可能である。また、このような装置の一部をソフトウェアとして構成することができる。さらに、そのようなソフトウェアをコンピュータに実行させるために用いるソフトウェア製品、及び同製品を固定した記録媒体も、当然に本明細書に記載の各実施形態の技術的な範囲に含まれる（本明細書の全体を通じて同様である）。 The embodiments described herein can be implemented not only as an apparatus, but also partially or entirely as a method. Also, a part of such an apparatus can be configured as software. Furthermore, software products used for causing a computer to execute such software and recording media on which the products are fixed are naturally included in the technical scope of each embodiment described herein (this specification). The same throughout.
発光部０１０１は、赤色光を発光する赤色発光手段０１０４と、青色光を発光する青色発光手段０１０５と、緑色光を発光する緑色発光手段０１０６とを有する。発光部が有する各色の発光手段の数は一又は複数である。
The
赤色発光手段は、概ね610〜670nmの波長の光を発するもので、例えばＬＥＤや有機ＥＬなどの発光素子を用いることで実現でき、これ以外の発光素子であっても赤色光を発し得るものであればよい。 The red light emitting means emits light having a wavelength of approximately 610 to 670 nm, and can be realized by using a light emitting element such as an LED or an organic EL, for example, and any other light emitting element can emit red light. I hope there is.
青色発光手段は、概ね435〜490nmの波長の光を発するもので、例えばＬＥＤや有機ＥＬなどの発光素子を用いることで実現でき、これ以外の発光素子であっても青色光を発し得るものであればよい。 The blue light emitting means emits light having a wavelength of approximately 435 to 490 nm, and can be realized by using a light emitting element such as an LED or an organic EL, for example, and any other light emitting element can emit blue light. I hope there is.
緑色発光手段は、概ね495〜570nmの波長の光を発するもので、例えばＬＥＤや有機ＥＬなどの発光素子を用いることで実現でき、これ以外の発光素子であっても緑色光を発し得るものであればよい。 The green light emitting means emits light having a wavelength of about 495 to 570 nm, and can be realized by using a light emitting element such as an LED or an organic EL, for example, and any other light emitting element can emit green light. I hope there is.
計時部０１０２は、時間を測定する機能を有する。時間の測定は、時間の経過を測定するものであってもよいし、時刻を測定するものであってもよい。また、暦とともに時刻を測定するものであってもよい。具体的には、ＲＴＣ（Real-Time Clock）などにより計時部を構成することができる。
The
調節部０１０３は、計時部での計時に応じて前記三つの発光手段の発光量の総和を略一定にしたままそれぞれの発光手段の発光量比を変化させるための機能を果たす。調節部は係る機能を果たすためのプログラム、当該プログラムを保持する不揮発性メモリ、当該プログラムを実行し各種の演算処理を行うＣＰＵなどによって構成することができる。
The
発光量は、光度エネルギー（lm・s）である。三つの発光手段の発光量の総和を略一定にしたままそれぞれの発光手段の発光量比を変化させるためは、例えばそれぞれの発光手段の発光量比とその発光量比となるように各発光手段を発光させるための駆動電流量や印加電圧値と各発光手段による発光量の総和との関係に基づき、各発光手段の発光量比の変化に応じて各発光手段に供給する駆動電流量や印加電圧値を調節する。あるいは本照明装置が光量センサーを備えるものとして、当該光量センサーによる検知結果をフィードバックして各発光手段の発光量比の変化に応じて、三つの発光手段の発光量の総和が略一定となるように各発光手段への駆動電流量や印加電圧値を調節する。 The light emission amount is luminous energy (lm · s). In order to change the light emission ratio of each light emission means while keeping the total of the light emission amounts of the three light emission means substantially constant, for example, each light emission means so that the light emission ratio of each light emission means and the light emission ratio thereof Amount of drive current or voltage supplied to each light emitting means according to the change of the light emission amount ratio of each light emitting means based on the relationship between the drive current amount for emitting light or the applied voltage value and the total of the light emitting amount by each light emitting means Adjust the voltage value. Alternatively, if the lighting device includes a light amount sensor, the sum of the light emission amounts of the three light emitting means becomes substantially constant according to the change in the light emission amount ratio of each light emitting means by feeding back the detection result by the light amount sensor The amount of drive current or voltage applied to each light emitting means is adjusted.
また、計時部での計時に応じて各発光手段の発光量比を変化させる態様は種々あり、例えば、本照明装置の使用者が発光量比を変化させるタイミングを任意の時から「２時間後」などのように経過時間に基づき指定し、指定した時間の経過を契機として予め任意に指定した発光量比に変化させる態様がある。むろん三つの発光手段の発光量の総和を略一定にしたままである（以下の態様においても同様である）。 Further, there are various modes in which the light emission ratio of each light emitting means is changed according to the clocking time in the clock section. For example, after 2 hours from any time the user of the lighting device changes the light emission ratio. There is a mode in which it is designated based on the elapsed time like "," and is changed to a light emission amount ratio arbitrarily designated in advance when the designated time elapses. Of course, the total of the light emission amounts of the three light emitting means remains substantially constant (the same applies to the following embodiments).
また、計時部が時刻を計時する時刻計時手段を有し、調節部が計時された時刻に応じて発光量比を変化させる時刻依存発光量比調節手段を有する場合には、指定された時刻を時刻計時手段が計時したことを契機として指定された発光量比に変化させる態様がある。 In addition, when the time measuring unit has time measuring means for measuring time, and the adjusting unit has time dependent light emission ratio adjusting means for changing the light emission amount ratio according to the time measured, the designated time There is an aspect of changing to the designated light emission amount ratio triggered by the clocking by the clocking means.
また、計時された時刻を契機に発光量比を一回変化させる態様の他にも、例えば１７：００〜２４：００にかけて青色の発光量比が３０パーセントから１０パーセントまで漸減し赤色と緑色による発光量比を７０パーセントから９０パーセントまで漸増するように発光量比を変化させる態様もある。 In addition to the aspect in which the light emission ratio is changed once when the clocked time is taken, for example, the light emission ratio of blue gradually decreases from 30% to 10% from 17:00 to 24:00, and red and green There are also embodiments in which the light emission ratio is changed to gradually increase the light emission ratio from 70 percent to 90 percent.
さらに、計時手段が暦を測定し得るように構成されている場合には、暦と時刻とに応じて発光量比を変化させてもよい。 Furthermore, when the clock means is configured to be able to measure a calendar, the light emission ratio may be changed according to the calendar and time.
また、三つの発光手段の発光量の総和を略一定にしたままとすることにより、所望の明るさを維持するという照明装置に対する基本的な要請に応えることができる。例えば室内照明として用いる場合、メラトニンの分泌を促し眠気を自然に誘起させるためには夜が更けるにつれて青色の発光量比を抑えることが効果的であるところ、青色の発光量比を抑えても三つの発光手段の発光量の総和は略一定であるため、たとえ光色が変化したとしても使用者が明るさの低下を感じることがほとんどないため文字が読めないといったことや家事がしにくくなるといった不都合が生じない。 Further, by keeping the total of the light emission amounts of the three light emitting means substantially constant, it is possible to meet the basic request for the lighting apparatus to maintain the desired brightness. For example, when used as interior lighting, it is effective to suppress the blue light emission ratio as the night goes on to promote secretion of melatonin and naturally induce sleepiness, but even if the blue light emission ratio is suppressed, Since the total amount of light emitted by the two light emitting means is substantially constant, it is difficult for the user to read the letters and for housework to be difficult because the user hardly feels the decrease in brightness even if the light color changes. There is no inconvenience.
また、青色光がメラトニン分泌に影響するように、人体が照射を受ける光の波長成分によって様々な影響を受けることがあると考えられるため、特定の波長成分を増強したり又は減じることにより疾病の予防や改善、あるいは健康維持に寄与し得る。 In addition, it is thought that the human body may be affected in various ways by the wavelength component of light that is irradiated so that blue light affects melatonin secretion. It can contribute to prevention, improvement, or health maintenance.
このような構成を備える本照明装置は、室内照明などとして用いる場合だけでなく、ディスプレイとしても用いることができる。ディスプレイは赤色、青色及び緑色のいわゆる三原色の組み合わせにより画素を構成し、各画素の発光を制御することで様々な像を映すものであるが、画素を構成する三原色の光源として、本照明装置の各構成を応用することができる。すなわち、赤色光を発光する赤色発光手段と、青色光を発光する青色発光手段と、緑色光を発光する緑色発光手段とを有する発光部と、時間を測定する計時部と、計時部での計時に応じて前記三つの発光手段の発光量の総和を略一定にしたままそれぞれの発光手段の発光量比を変化させるための調節部と、を有するディスプレイとして応用できる。 The present illumination device having such a configuration can be used not only as interior lighting but also as a display. The display consists of pixels in the combination of so-called three primary colors of red, blue and green, and displays various images by controlling the light emission of each pixel. Each configuration can be applied. That is, a light emitting unit having red light emitting means for emitting red light, blue light emitting means for emitting blue light, green light emitting means for emitting green light, a time measuring unit for measuring time, and time measurement in the time measuring unit Accordingly, the present invention can be applied as a display having a control unit for changing the light emission ratio of each light emitting means while keeping the total of the light emitting amounts of the three light emitting means substantially constant.
このように構成したディスプレイにより、計時に応じて赤色、青色及び緑色の各発光手段の発光量比を適宜変化させることで、ディスプレイが照射する光による人体への影響を制御し得る。例えばスマートフォンやタブレットのディスプレイとした場合に、夜が更けるにつれて青色発光手段の発光量比を減らすことでメラトニン分泌を促し目が冴えて眠れないといったことを生じにくくすることができる。 By appropriately changing the light emission ratio of each of the red, blue and green light emitting means according to the timing, the influence of the light emitted by the display on the human body can be controlled by the display configured in this way. For example, in the case of a display of a smartphone or a tablet, it is possible to promote melatonin secretion, reduce the light emission ratio of the blue light emitting means as the night goes on, and make it difficult to sleep.
本照明装置の各機能的構成は、ハードウェア及びソフトウェアの組み合わせとして実現され得る。具体的には、コンピュータを利用するものであれば、ＣＰＵや主メモリ、バス、あるいは二次記憶装置（ＲＯＭやフラッシュメモリなどの不揮発性メモリ）、計時のためのＲＴＣ、赤色発光手段、青色発光手段及び緑色発光手段となる各色の発光ダイオードや有機ＥＬ、情報入力に利用される入力デバイス、表示装置などのハードウェア、またそれら各装置のインターフェース、それらハードウェアを制御するためのドライバプログラムやその他アプリケーションプログラム、ユーザインターフェース用アプリケーションなどが挙げられる。そして主メモリ上に展開した調節プログラムに従ったＣＰＵの演算処理によって、計時に応じて上述の三つの発光手段の発光量の総和を一定にしたままそれぞれの発光量比を変化させる。
＜効果＞
Each functional configuration of the lighting device can be realized as a combination of hardware and software. Specifically, as long as a computer is used, the CPU, main memory, bus, or secondary storage device (non-volatile memory such as ROM or flash memory), RTC for clocking, red light emitting means, blue light emitting Means and green light emitting means of each color light emitting diode or organic EL, input device used for information input, hardware such as display device, interface of each device, driver program for controlling the hardware, and others Application programs, user interface applications, etc. may be mentioned. Then, according to the arithmetic processing of the CPU according to the adjustment program developed on the main memory, the respective light emission amount ratios are changed while keeping the total of the light emission amounts of the above three light emitting means constant according to the clock.
<Effect>
以上のような構成による本実施形態の照明装置により、赤色、青色及び緑色の各発光手段の発光量の総和を略一定にしたまま、時間に応じて青色光の発光を抑制するといった調整を行うことのできる照明装置を提供することができる。
＜実施形態２＞
＜概要＞
With the lighting device of the present embodiment configured as described above, adjustment is made to suppress blue light emission according to time while keeping the total of the light emission amounts of the red, blue and green light emitting means substantially constant. It is possible to provide a lighting device that can
Second Embodiment
<Overview>
本実施形態の照明装置は、実施形態１における照明装置が時間に応じて発光量比を変化させるものであったのに対して、人の覚醒度合に関する生体情報に応じて、赤色、青色及び緑色の各発光手段の発光量の総和を略一定にしたままそれぞれの発光手段の発光量比を変化させるものである。
＜構成＞
The lighting device of the present embodiment changes the light emission amount ratio according to time while the lighting device in the first embodiment changes red, blue and green according to biological information on the awakening degree of a person. The light emission ratio of each light emitting means is changed while keeping the total of the light emission amounts of the respective light emitting means substantially constant.
<Configuration>
図２は、本実施形態の照明装置の機能ブロックの一例を示すブロック図である。図示するように、本実施形態の照明装置０２００は、発光部０２０１と、覚醒度合生体情報取得部０２０２と、調節部０２０３とを有する。そして、発光部は、赤色発光手段０２０４と、青色発光手段０２０５と、緑色発光手段０２０６とを有する。本実施形態の発光部は実施形態１における発光部と同様であるため説明を省略する。
FIG. 2 is a block diagram showing an example of functional blocks of the lighting device of the present embodiment. As illustrated, the
覚醒度合生体情報取得部０２０２は、人の覚醒度合に関する生体情報を取得する機能を有する。人の覚醒度合に関する生体情報としては、例えば、心拍数、心拍数変動、呼吸数、呼吸量、α波、θ波含有率、発汗量、深部体温、眼球運動などに関する情報が挙げられる。また、顔画像から瞳孔散大の程度を生体情報として取得してもよい。これらの生体情報の取得は、それぞれの生体情報に応じた検出手段により取得される。
The awakening degree biological
本実施形態における調節部０２０３は、覚醒度合生体情報取得部で取得した人の覚醒度合に関する生体情報に応じて前記三つの発光手段の発光量の総和を略一定にしたままそれぞれの発光手段の発光量比を変化させる機能を果たす。例えば、取得した生体情報に基づき覚醒度合の低下が認められた場合には、青色発光手段の発光量比を高めることで覚醒を促すといった具合である。
The
このような構成の照明装置を、覚醒を求められる環境（運転車両内、作業場、職場など）に用い、当該環境にいる者の生体情報を取得し、適宜発光量比を変化させることでその者の覚醒を促し、居眠りの防止や作業効率の向上などを図ることができる。 The lighting device of such a configuration is used in an environment where awakening is required (in a driving vehicle, work place, work place, etc.), biological information of a person in the environment is acquired, and the light emission ratio is appropriately changed. Can be awakened to prevent sleepiness and improve work efficiency.
さらに、覚醒度合生体情報取得部は、デスクワーク作業効率の低下、運転中の居眠、疲労による運動能力の低下、対話における適切な言葉の選択効率の低下、のいずれか一以上を測定する効率・能率測定手段を有し、調節部は測定された値に応じて発光量比を変化させる効率・能率依存発光量比調節手段を有するよう構成してもよい。これらの効率や能率に応じて発光量比を適宜変化させることで効率や能率の向上を図ることなどが可能になる。
＜効果＞
Furthermore, the awakening degree biometric information acquisition unit measures at least one of desk work efficiency, sleepiness while driving, exercise ability due to fatigue, and decline in word selection efficiency in dialogue. The control unit may have efficiency measurement means, and the adjustment unit may be configured to have efficiency / efficiency-dependent light emission amount ratio adjustment means for changing the light emission amount ratio according to the measured value. The efficiency and efficiency can be improved by appropriately changing the light emission ratio according to the efficiency and efficiency.
<Effect>
以上のような構成による本実施形態の照明装置により、赤色、青色及び緑色の各発光手段の発光量の総和を略一定にしたまま、時間に応じて青色光の発光を抑制するといった調整を行うことのできる照明装置を提供することができる。
（本照明装置の応用）
With the lighting device of the present embodiment configured as described above, adjustment is made to suppress blue light emission according to time while keeping the total of the light emission amounts of the red, blue and green light emitting means substantially constant. It is possible to provide a lighting device that can
(Application of this lighting device)
上述の通り、実施形態１及び２にて説明した本照明装置は計時や覚醒度合に関する生体情報に応じて赤色、青色、緑色の三つの発光手段の発光量の総和を一定にしたままそれぞれの発光量比を変化させることが可能である。したがって、時刻に応じて変化する発光量比を適宜設定したり、照射を受ける者の生体情報に応じて発光量比を調節するなどにより、本照明装置による光の照射を受ける対象に対して様々影響を及ぼすことが可能である。以下に例示する。
（病室）
As described above, the present lighting device described in the first and second embodiments emits each light while keeping the total of the light emitting amounts of the three light emitting means of red, blue and green constant according to biological information on timing and awakening degree It is possible to change the quantity ratio. Therefore, various settings can be made for the light receiving object of the lighting device by appropriately setting the light emitting amount ratio that changes according to the time of day or adjusting the light emitting amount ratio according to the living body information of the person receiving the irradiation. It is possible to influence. It illustrates below.
(Patient room)
本照明装置の好ましい利用態様として病室を挙げることができる。例えば、睡眠障害の患者に対して適切な周期で青色光の照射しメラトニンの分泌リズムを整えることにより睡眠障害の改善をもたらし得る。また、メラトニンの分泌に限らず、照射を受ける光の波長により受ける生体への影響は種々あると考えられることから、疾病や症状に応じて当該患者の病室で照射する三色の発光量比を調節することで、それらの疾病や症状を改善し得る。また、患者の生体情報を取得してその結果に応じて三色の発光量比を変えるようにしてもよい。
（細胞培養装置）
A hospital room can be mentioned as a preferable usage aspect of this illuminating device. For example, it is possible to bring about the improvement of the sleep disorder by irradiating the blue light with the appropriate cycle to the sleep disorder patient and adjusting the secretion rhythm of melatonin. In addition to the secretion of melatonin, it is considered that there are various effects on the living body depending on the wavelength of the light to be irradiated, so the ratio of the three colors emitted in the patient's room according to the disease or condition Regulation can improve those diseases and conditions. In addition, the patient's biological information may be acquired, and the light emission ratio of the three colors may be changed according to the result.
(Cell culture device)
細胞に対しても照射される光の波長による影響が生じることが考えられる。例えば、ある種の細胞について特定の波長成分の光を照射することで培養による増殖の度合いが変わり得る。そこで、本照明装置を細胞培養装置に備えるものとすることで、培養対象となる細胞に応じて赤色、青色、緑色の発光量比を適宜調節して所望の増殖を行い得る。このような細胞培養装置は、再生医療や分子生物学の分野における進歩に寄与し得る。 It is considered that the influence of the wavelength of the light emitted to the cells also occurs. For example, irradiation with light of a specific wavelength component for certain cells can change the degree of growth by culture. Therefore, by providing the present lighting device in a cell culture device, desired proliferation can be performed by appropriately adjusting the light emission ratio of red, blue and green according to the cells to be cultured. Such cell culture devices can contribute to advances in the field of regenerative medicine and molecular biology.
本照明装置は、人間だけでなく動植物をはじめとする種々の生物を扱う施設において使用する照明装置として好ましい。以下に、例を挙げて説明する。
（動物飼育施設）
The present lighting device is preferable as a lighting device used in a facility that handles various living things including humans and animals and plants. Below, an example is mentioned and demonstrated.
(Animal breeding facilities)
本照明装置を動物飼育施設に用いる態様がある。動物には光周性が備わっており、春から夏にかけて日長が長くなる春から夏にかけて繁殖を行う長日型の動物や、日長が短くなる秋から冬にかけて繁殖を行う短日型の動物が存在する。例えば鳥のような長日型の動物に対して本照明装置の調節部により短日の冬のような環境を作ることで、冬に備えてより肝臓に脂肪を蓄積させた食材（フォアグラなど）や、筋線維を増した食材を得るための家畜の飼育が可能となる。また、飼育対象動物の代謝に影響（促進あるいは抑制）を与える発光量比にて照射しながら飼育することにより、赤身や脂身といった肉質を所望の態様にて飼育し得る。
（野菜栽培施設、穀類栽培施設）
There is a mode which uses this lighting installation for animal breeding facilities. The animals have photoperiodism, long-day type animals that breed from spring to summer, and long-day animals from spring to summer, and short-day types, which breed from autumn to winter, when day length decreases. There are animals. For example, a food such as foie gras that has more fat accumulated in the liver in preparation for winter by creating a short-day winter-like environment by the control part of the lighting apparatus for long-day-type animals such as birds Also, it becomes possible to breed livestock to obtain foodstuffs with increased muscle fiber. In addition, by breeding while irradiating with a luminescence amount ratio that affects (promotes or suppresses) the metabolism of the breeding target animal, meat quality such as red meat or fat can be bred in a desired manner.
(Vegetable cultivation facilities, cereals cultivation facilities)
本照明装置を野菜栽培施設や穀類栽培施設に用いる態様がある。植物にも光周性が備わるため、アブラナ、ダイコン、エンドウマメ、キャベツ、レタス、ホウレンソウ、コムギなどの長日性の野菜や穀類を栽培する施設においては、青色発光手段の発光量比を増加させて日長の長い環境を作り花芽の形成を促進させることができる。一方、イネ、トウモロコシ、ダイズ、エダマメなどの短日性の野菜や穀類を栽培する施設においては、青入り発光手段の発光量比を低減させて日長の短い環境を作り花芽の形成を促進させることができる。また、花芽の形成を抑制させることで、収穫の時期をずらすことなども可能である。
（魚介類養殖施設）
There is a mode which uses this lighting installation for vegetable cultivation facilities or grain cultivation facilities. Since plants also have photoperiodism, in facilities where long-day vegetables and grains such as rape, radish, pea, cabbage, lettuce, spinach, and wheat are grown, the light emission ratio of the blue light emission means is increased. A long day environment can be created to promote flower bud formation. On the other hand, in facilities that cultivate short-day vegetables and grains such as rice, corn, soybeans, and green soybeans, reduce the ratio of luminous intensity of the blue-containing luminous means to create a short-day environment and promote the formation of flower buds be able to. In addition, it is also possible to shift the time of harvesting by suppressing the formation of flower buds.
(Aquaculture facility)
本照明装置を動物飼育施設に用いる態様がある。魚介類についてもその生殖年周期や産卵周期は日長の影響を受ける。赤色光、青色光、緑色光の三つの発光量比を適宜調節することで、所望の養殖の実現に寄与することができる。
＜効果＞
There is a mode which uses this lighting installation for animal breeding facilities. The reproductive annual cycle and spawning cycle of fish and shellfish are also influenced by day length. Appropriate adjustment of the three light emission ratios of red light, blue light and green light can contribute to the realization of desired aquaculture.
<Effect>
以上のような構成による本発明により、赤色、青色及び緑色の各発光手段の発光量の総和を略一定にしたまま、青色光の発光を抑制するといった調整を行うことのできる照明装置を提供することができる。 According to the present invention having the configuration as described above, a lighting device capable of performing adjustment such as suppressing the emission of blue light while keeping the total of the light emission amounts of the red, blue and green light emitting means substantially constant. be able to.
０１００ 照明装置
０１０１ 発光部
０１０２ 計時部
０１０３ 調節部
０１０４ 赤色発光手段
０１０５ 青色発光手段
０１０６ 緑色発光手段
[0100]
Claims (11)
青色光を発光する青色発光手段と、
緑色光を発光する緑色発光手段と
を有する発光部と、
時間を測定する計時部と、
計時部での計時に応じて前記三つの発光手段の発光量の総和を略一定にしたままそれぞれの発光手段の発光量比を変化させるための調節部と、
を有する照明装置。 Red light emitting means for emitting red light;
Blue light emitting means for emitting blue light;
A light emitting portion having green light emitting means for emitting green light;
Timekeeping unit to measure time,
An adjustment unit for changing the light emission amount ratio of each of the light emitting means while keeping the total of the light emission amounts of the three light emitting means substantially constant according to the time counting in the time measuring unit;
A lighting device having
調節部は計時された時刻に応じて発光量比を変化させる時刻依存発光量比調節手段を有する請求項１に記載の照明装置。 The clock unit has time clock means for clocking time,
The lighting device according to claim 1, wherein the adjustment unit includes a time-dependent light emission amount ratio adjustment unit that changes the light emission amount ratio according to the counted time.
青色光を発光する青色発光手段と、
緑色光を発光する緑色発光手段と
を有する発光部と、
人の覚醒度合に関する生体情報を取得する覚醒度合生体情報取得部と、
覚醒度合生体情報取得部で取得した人の覚醒度合に関する生体情報に応じて前記三つの発光手段の発光量の総和を略一定にしたままそれぞれの発光手段の発光量比を変化させるための調節部と、
を有する照明装置。 Red light emitting means for emitting red light;
Blue light emitting means for emitting blue light;
A light emitting portion having green light emitting means for emitting green light;
An awakening degree biological information acquisition unit that acquires biological information on the awakening degree of a person;
Control unit for changing the light emission ratio of each light emitting means while keeping the total of the light emitting amounts of the three light emitting means substantially constant according to the biological information on the awakening degree of the person acquired by the awakening degree biological information acquiring unit When,
A lighting device having
調節部は測定された値に応じて発光量比を変化させる効率・能率依存発光量比調節手段を有する請求項３に記載の照明装置。 The awakening degree biological information acquisition unit measures efficiency and efficiency to measure one or more of decrease in desk work efficiency, sleepiness while driving, decrease in exercise ability due to fatigue, and decrease in selection efficiency of appropriate words in dialogue Have a means,
The lighting device according to claim 3, wherein the adjustment unit includes an efficiency / efficiency-dependent light emission ratio adjustment unit that changes the light emission ratio according to the measured value.
青色光を発光する青色発光手段と、
緑色光を発光する緑色発光手段と
を有する発光部と、
時間を測定する計時部と、
計時部での計時に応じて前記三つの発光手段の発光量の総和を略一定にしたままそれぞれの発光手段の発光量比を変化させるための調節部と、
を有するディスプレイ。 Red light emitting means for emitting red light;
Blue light emitting means for emitting blue light;
A light emitting portion having green light emitting means for emitting green light;
Timekeeping unit to measure time,
An adjustment unit for changing the light emission amount ratio of each of the light emitting means while keeping the total of the light emission amounts of the three light emitting means substantially constant according to the time counting in the time measuring unit;
With a display.
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