초록 ▼

An electromechanical engine valve actuation system 10 is provided including a control element 16, a first actuator 18, a second actuator 20, an armature element 26 and a motion detector 32. The control element 16 controls the first actuator 18 and the second actuator 20 in response to the motion det

An electromechanical engine valve actuation system 10 is provided including a control element 16, a first actuator 18, a second actuator 20, an armature element 26 and a motion detector 32. The control element 16 controls the first actuator 18 and the second actuator 20 in response to the motion detector 32 in order to reduce the impact of the armature element 26.

대표청구항 ▼

An electromechanical engine valve actuation system 10 is provided including a control element 16, a first actuator 18, a second actuator 20, an armature element 26 and a motion detector 32. The control element 16 controls the first actuator 18 and the second actuator 20 in response to the motion det

An electromechanical engine valve actuation system 10 is provided including a control element 16, a first actuator 18, a second actuator 20, an armature element 26 and a motion detector 32. The control element 16 controls the first actuator 18 and the second actuator 20 in response to the motion detector 32 in order to reduce the impact of the armature element 26. dering index of at least 60. 10. The light source of claim 5, wherein the white light has a color temperature of 3000-4500° K. 11. The light source of claim 10, wherein the white light has a color rendering index of at least 60. 12. A light source comprising: an organic light emitting device which comprises an organic light emitting layer disposed between two electrodes, which organic light emitting device is disposed on a substrate and emits light of a first wavelength; and a planar photoluminescent layer comprising a photoluminescent material and scattering particles, the photoluminescent layer absorbing a portion of light emitted by the organic light emitting device and emitting light having a second wavelength, wherein the portion of light absorbed by the planar photoluminescent layer is less than all of the light emitted by the organic light emitting device, and the light source produces white light from a mix of light emitted by the organic light emitting device and light emitted by the planar photoluminescent layer. 13. The light source of claim 12, wherein the planar photoluminescent layer further comprises at least one inorganic phosphor. 14. The light source of claim 13, wherein each of the photoluminescent material and the at least one inorganic phosphor is embedded in a thermoplastic sheet. 15. The light source of claim 12, wherein the organic light emitting device has an emitting surface with an area of at least 9 square centimeters. 16. A light source comprising: an organic light emitting device which emits light of a first wavelength; and a planar photoluminescent layer which absorbs a portion of light emitted by the organic light emitting device and which emits light having a second wavelength, wherein the portion of light absorbed by the planar photoluminescent layer is less than all of the light emitted by the organic light emitting device, and the light emitted by the organic light emitting device mixes with the light emitted by the planar photoluminescent layer to produce white light, wherein the planar photoluminescent layer comprises at least one inorganic phosphor which comprises (Y1-x-yGdxCey)3(Al1-zGaz)5O12,wherein x+y≤1; 0≤x≤1; 0≤y≤1; and 0≤z≤1. 17. A light source comprising: an organic light emitting device which comprises an organic light emitting layer disposed between two electrodes and emits light having a first spectrum; a photoluminescent layer being in substantial contact with the organic light emitting device, the photoluminescent layer absorbing a portion of light emitted by the organic light emitting device and emitting light having a second spectrum, wherein the portion of light absorbed by the photoluminescent layer is less than all of the light emitted by the organic light emitting device; and a scattering layer separate from the photoluminescent layer, the photoluminescent layer forming an only substrate on which the organic light emitting device is disposed, and the scattering layer scattering light emitted by the photoluminescent layer. 18. The light source of claim 17, wherein the photoluminescent layer comprises at least one inorganic phosphor, and the light emitted by the organic light emitting device mixes with the light emitted by the at least one inorganic phosphor to produce white light. 19. The light source of claim 17, wherein the scattering layer comprises at least one of TiO2and SiO2scattering particles. 20. The light source of claim 17, wherein the photoluminescent layer is formed in a planar configuration, and the scattering layer is formed in a planar configuration parallel to the photoluminescent layer. 21. A method of making a lighting device comprising the steps of: forming an organic light emitting device which comprises an organic light emitting layer disposed between two electrodes; and forming a layer of photoluminescent mate