Abstract: According to embodiments, a light-emitting display device includes a light-emitting diode that emits blue light and green light, a color conversion layer on the light-emitting diode, and a scattering absorption layer disposed between the color conversion layer and the light-emitting diode and that transmits blue light and green light.

Abstract: The present disclosure relates to a crystallization method of branched-chain amino acids capable of sustainably cycling ammonia, and branched-chain amino acid crystal produced by the method.

Abstract: Provided is a device for relieving headache and pain caused by temporomandibular joint disorders may include: a body having a neck band surroundingly worn on a user's neck, first connectors extending forwardly from both ends of the neck band by first set lengths, and second connectors extending upwardly from front ends of the first connectors by second set lengths; first low frequency electrostimulators disposed on the second connectors and coming into close contact with the temporalis muscles, when the body is worn on the user's head, to apply low frequencies to the temporalis muscles; and second low frequency electrostimulators disposed on the connected portions between the first connectors and the second connectors and coming into close contact with the masseter muscles, when the body is worn on the user's head, to apply low frequencies to the masseter muscles.

Abstract: A static electricity removal apparatus capable of raising an alternating rate at which ions are generated according to the speed of an object requiring static electricity removal using a high-frequency high voltage AC voltage includes: at least one discharge electrode assembly having a plurality of needle-shaped electrodes aligned with each other, each needle-shaped electrode receiving the high-frequency high voltage AC voltage and generating ions using a corona discharge; a ground electrode for facilitating ion generation by the plurality of needle-shaped electrodes; a high-frequency high voltage generation unit connected to the at least one discharge electrode assembly, the voltage generation unit generating the high-frequency high voltage AC voltage outputted to the plurality of needle-shaped electrodes; and an ion blower adapted to blow ions from the plurality of needle-shaped electrodes to the object requiring static electricity removal.

Abstract: The present invention relates to a static electricity removal apparatus which is capable of raising an alternating rate at which ions are generated according to the speed of the charged objects using a high-frequency high AC voltage, resulting in an increase in a static electricity removing efficiency. The static electricity removal apparatus comprises at least one discharge electrode assembly including a plurality of needle-shaped electrodes aligned with each other, each of the needle-shaped electrodes generating ions using a corona discharge under the condition that it is provided with a high-frequency high AC voltage, a ground electrode for inducing ion generation by each of the needle-shaped electrodes, and a high-frequency high voltage generation unit connected to the discharge electrode assembly, the voltage generation unit generating the high-frequency high AC voltage to be provided to each of the needle-shaped electrodes of the discharge electrode assembly.