US 11,990,569 B2
LED lighting sheet for animal/plant growth, LED lighting module for animal/plant growth, shelf for animal/plant growth rack, animal/plant growth rack, animal/plant growth factory, and LED lighting unit for animal/plant growth
Daisuke Goto, Tokyo-to (JP); Naoto Kamekawa, Tokyo-to (JP); and Dai Tsukada, Tokyo-to (JP)
Assigned to DAI NIPPON PRINTING CO., LTD., Tokyo (JP)
Filed by DAI NIPPON PRINTING CO., LTD., Tokyo-to (JP)
Filed on Jul. 23, 2021, as Appl. No. 17/383,947.
Application 17/383,947 is a continuation of application No. PCT/JP2020/002408, filed on Jan. 23, 2020.
Claims priority of application No. 2019-010403 (JP), filed on Jan. 24, 2019; application No. 2019-010664 (JP), filed on Jan. 24, 2019; application No. 2019-017444 (JP), filed on Feb. 1, 2019; and application No. 2019-019043 (JP), filed on Feb. 5, 2019.
Prior Publication US 2021/0351328 A1, Nov. 11, 2021
Int. Cl. H01L 33/48 (2010.01); A01G 7/04 (2006.01); F21V 23/00 (2015.01); H01L 33/52 (2010.01); H01L 33/62 (2010.01); F21Y 115/10 (2016.01)
CPC H01L 33/486 (2013.01) [A01G 7/045 (2013.01); F21V 23/008 (2013.01); H01L 33/52 (2013.01); H01L 33/62 (2013.01); F21Y 2115/10 (2016.08)] 14 Claims
OG exemplary drawing
 
1. An LED lighting unit for animal/plant growth, comprising:
a substrate film,
a metal wiring portion formed on a surface of the substrate film,
an array of LED chips implemented on the metal wiring portion, and
a light reflection insulating protective film placed so as to cover the metal wiring portion, wherein
a light source color of each of the LED chips is an incandescent or a warm white, of light source colors defined in JISZ9112,
light from the LED chips has
a first component with a center wavelength of greater than or equal to 610 nm and less than or equal to 630 nm and a half width of greater than or equal to 90 nm and less than or equal to 110 nm,
a second component with a center wavelength of greater than or equal to 440 nm and less than or equal to 460 nm and a half width of greater than or equal to 10 nm and less than or equal to 20 nm, and
a third component with a center wavelength of greater than or equal to 510 nm and less than or equal to 530 nm and a half width of greater than or equal to 50 nm and less than or equal to 60 nm,
a relative emission intensity in the center wavelength of the first component is higher than a relative emission intensity in the center wavelength of the second component,
a relative emission intensity in the center wavelength of the third component is lower than the relative emission intensity in the center wavelength of the second component,
the light reflection insulating protective film includes a white pigment,
the light reflection insulating protective film includes a urethane resin, an acrylic polyurethane resin or a phenolic resin,
the LED chips are covered with a transparent protective film, and
the transparent protective film includes an acrylic polyurethane or a fluororesin.