Abstract:
Electron emission devices include first electrodes on a substrate extending in a first direction and spaced apart from each other. Second electrodes are on the substrate alternating between the first electrodes and extending in a second direction opposing the first direction. First electron emitters and second electron emitters are on side surfaces of the first electrodes and the second electrodes, respectively. Gaps are formed between the first electron emitters and second electron emitters.
Abstract:
A super-conductive nanoparticle, a super-conductive nanoparticle powder, and a lithium battery including the super-conductive nanoparticle powder.
Abstract:
A lithium titanium oxide for an anode active material of a lithium rechargeable battery, wherein a X-ray diffraction (XRD) spectrum has a first peak of Li4Ti5O12 and a second peak, and A50-55/A78-80 is in a predetermined range, as a result of XRD analysis, where A78-80 is an Area of the first peak and A50-55 is an Area of the second peak in XRD.
Abstract translation:一种用于锂可再充电电池的负极活性材料的锂二氧化钛,其中X射线衍射(XRD)光谱具有Li 4 Ti 5 O 12的第一峰和第二峰,并且A50-55 / A78-80在预定范围内, 作为XRD分析的结果,其中A78-80是第一个峰的面积,A50-55是XRD中第二个峰的面积。
Abstract:
The present invention discloses an alternating current (AC) light emitting diode (LED) having half-wave light emitting cells and full-wave light emitting cells. The AC LED has a plurality of light emitting cells electrically connected between bonding pads on a single substrate. The AC LED includes a first row of half-wave light emitting cells each having an anode terminal and a cathode terminal, a second row of full-wave light emitting cells each having an anode terminal and a cathode terminal, and a third row of half-wave light emitting cells each having an anode terminal and a cathode terminal. In the AC LED, the second row is arranged between the first row and the third row, and the third row includes a pair of light emitting cells that share a cathode terminal with each other. The cathode terminal shared by the pair of light emitting cells in the third row is electrically connected to the anode terminal of a corresponding light emitting cell of the half-wave light emitting cells in the first row through a conductor that is electrically insulated from the full-wave light emitting cells in the second row.
Abstract translation:本发明公开了一种具有半波发光单元和全波发光单元的交流(AC)发光二极管(LED)。 AC LED具有电连接在单个基板上的焊盘之间的多个发光单元。 AC LED包括具有阳极端子和阴极端子的第一排半波发光单元,具有阳极端子和阴极端子的第二排全波发光单元,以及第三排半波发光单元 每个具有阳极端子和阴极端子的发光单元。 在AC LED中,第二行布置在第一行和第三行之间,第三行包括彼此共享阴极端子的一对发光单元。 由第三行中的一对发光单元共享的阴极端子通过与整体电绝缘的导体电连接到第一行中的半波发光单元的对应的发光单元的阳极端子 - 第二排发光单元。
Abstract:
In one aspect, an anode active material is provided. The anode active material may include a crystalline carbon-based material that includes a core having a lattice spacing d002 of about 0.35 nm or more, and titanium-based oxide particles.
Abstract:
A piezoelectric element layer is further formed as a package material of a secondary battery, so that the secondary battery can be self-charged using a voltage generated in the piezoelectric element layer according to vibration generated in an electronic device and vibration generated by movement of the electronic device itself. The secondary battery includes a battery case that accommodates an electrode assembly, the battery case having an outer coating layer and a piezoelectric element layer formed on an inner surface of the outer coating layer, and a protection circuit module mounted to an outside of the battery case and electrically connected to the electrode assembly. In the secondary battery, a voltage storage is provided to the protection circuit module, and the piezoelectric element layer converts absorbed vibration into voltage and then stores the voltage in the voltage storage so that the secondary battery is self-charged as occasion demands.
Abstract:
A negative active material containing super-conductive nanoparticles coated with a high capacity negative material and a lithium battery including the same are provided, wherein the super-conductive nanoparticles have a structure in which polycyclic nano-sheets are stacked upon one another along a direction perpendicular to a first plane. The polycyclic nano-sheets include hexagonal rings of six carbons atoms linked to each other, wherein a first carbon and a second carbon have a distance therebetween of L1. L2 is a distance between a third carbon and a fourth carbon, and the arrangement of the polycyclic nano-sheets is such that L1≧L2. The super-conductive nanoparticle is used as a negative active material in a lithium battery, and the super-conductive nanoparticle increases the capacity, thereby improving the capacity and lifespan of the lithium battery.
Abstract:
A negative active material and a lithium battery including the negative active material. The negative active material includes a non-carbonaceous nanoparticle capable of doping or undoping lithium; and a crystalline carbonaceous nano-sheet, wherein at least one of the non-carbonaceous nanoparticle and the crystalline carbonaceous nano-sheet includes a first amorphous carbonaceous coating layer on its surface, and thus an electrical conductivity thereof is improved. In addition, a lithium battery including the negative active material has an improved efficiency and lifetime.
Abstract:
A negative electrode active material including nanometal particles and super-conductive nanoparticles and a lithium battery including the same.
Abstract:
An exemplary embodiment of the present invention discloses a light emitting diode chip including a substrate, a light emitting structure arranged on the substrate, the light emitting structure including an active layer arranged between a first conductive-type semiconductor layer and a second conductive-type semiconductor layer, and a distributed Bragg reflector to reflect light emitted from the light emitting structure. The distributed Bragg reflector has a reflectivity of at least 90% for light of a first wavelength in a blue wavelength range, light of a second wavelength in a green wavelength range, and light of a third wavelength in a red wavelength range.