Abstract: A head-mounted eye tracking system including a light-transmitting substrate, an eye tracker, and a signal processor is provided. The eye tracker is configured to sense eyeballs of a wearer. The eye tracker includes a plurality of light-emitting devices and a plurality of sensing devices. The plurality of light-emitting devices are configured to emit a tracking beam. The plurality of sensing devices are configured to receive the tracking beam reflected by the eyeballs of the wearer. The signal processor is electrically connected to the eye tracker. The plurality of sensing devices are embedded in grooves within the light-transmitting substrate.

Abstract: An optical adhesive film structure having an alignment function is provided. The optical adhesive film structure includes an optical adhesive layer and a release film. The release film is disposed on the optical adhesive layer. A first film surface of the release film facing away from the optical adhesive layer has a plurality of marks. The marks are recessed into the release film relative to the first film surface and do not run through the release film. A stitching display module and a manufacturing method of the stitching display module are also provided.

Abstract: A semiconductor package includes a flexible circuit board and a chip which includes a first bump group and a second bump group. First bumps of the first bump group and second bumps of the second bump group are provided to be bonded to leads on the flexible circuit board. The second bumps are designed to be longer than the first bumps in length so as to increase bonding strength of the second bumps to the leads, prevent the leads from being shifted and separated from the first and second bumps and prevent lead bonding misalignment.

Abstract: A negative electrode and a battery employing the same are provided. The negative electrode includes a negative electrode active layer and a protective layer. The protective layer is disposed on the negative electrode active layer, wherein the protective layer includes a nanopowder and a binder. The nanopowder has a specific surface area of 30 m2/g to 1,000 m2/g. The nanopowder has a binding energy less than or equal to ?2.5 eV. The weight ratio of the nanopowder to the binder is from 51:49 to 99:1. The nanopowder is a compound having a structure represented by Formula (I) MiXj??Formula (I) wherein M is Al, Mg, Zr, Zn, or Si, and X is O or N; i is 1, 2 or 3, and j is 1, 2, 3 or 4.

Abstract: An electrode and a lithium-ion battery employing the electrode are provided. The electrode includes an active layer, a conductive layer, and a non-conductive layer. The conductive layer is disposed on the top surface of the active layer. The conductive layer includes a first porous film and a conductive lithiophilic material, and the conductive lithiophilic material is within the first porous film and covers the inner surface of the first porous film. The non-conductive layer includes a second porous film and a non-conductive lithiophilic material, and the non-conductive lithiophilic material is within the second porous film and covers the inner surface of the second porous film. The conductive layer is disposed between the active layer and the non-conductive layer. The binding energy (?G) of the lithiophilic material with lithium is less than or equal to ?2.6 eV.

Abstract: A negative electrode and a lithium ion battery employing the same are provided. The negative electrode includes an active layer and a composite layer disposed on the active layer. The composite layer includes a lithiophilic nanoparticle, a metal nanoparticle and a binder. The binding energy (?E) of the lithiophilic nanoparticle with lithium is less than or equal to ?2.5 eV. The metal nanoparticle has a standard Gibbs free energy of reaction (?rG) less than 0. The weight ratio of the lithiophilic nanoparticle to the metal nanoparticle is from 1:1 to 8:1, and the amount of binder is from 10 wt % to 25 wt %, based on the total weight of the lithiophilic nanoparticle and the metal nanoparticle.

Abstract: A battery is provided, which includes an anode and a cathode. The anode includes a first current collector and anode active material. The anode active material is lithium metal or lithium alloy. The cathode includes a second current collector and cathode active material. The battery also includes an electrolyte film disposed between the cathode and the anode, and a porous film disposed between the electrolyte film and the anode. The battery includes an anolyte in the porous film between the electrolyte film and the anode, and a catholyte between the electrolyte film and the cathode. The catholyte is different from the anolyte, and the anolyte and the catholyte are separated by the electrolyte film and are not in contact with each other.

Abstract: An electrode and a lithium-ion battery employing the electrode are provided. The electrode includes an active layer, a conductive layer, and a non-conductive layer. The conductive layer is disposed on the top surface of the active layer. The conductive layer includes a first porous film and a conductive lithiophilic material, and the conductive lithiophilic material is within the first porous film and covers the inner surface of the first porous film. The non-conductive layer includes a second porous film and a non-conductive lithiophilic material, and the non-conductive lithiophilic material is within the second porous film and covers the inner surface of the second porous film. The conductive layer is disposed between the active layer and the non-conductive layer. The binding energy (?G) of the lithiophilic material with lithium is less than or equal to ?2.6 eV.

Abstract: A battery is provided. The battery includes a positive electrode, a negative electrode, and a solid electrolyte membrane. The positive electrode includes a positive active layer. The negative electrode includes a negative active layer and a modified layer, wherein the modified layer is disposed on the negative active layer. The modified layer includes a metal fluoride and a lithium-containing compound. The solid electrolyte membrane includes a first porous layer, an electrolyte layer, and a second porous layer, wherein the electrolyte layer is disposed between the first porous layer and the second porous layer.

Abstract: A lithium ion battery is provided, which includes a positive electrode, a negative electrode, and an electrolyte disposed between the positive electrode and the negative electrode. The negative electrode includes a current collector and a ?-phase-based polyvinylidene fluoride (?-PVDF) layer coating on the current collector. The ?-PVDF layer may have a thickness of 1 ?m to 10 ?m.

Abstract: A battery is provided, which includes an anode and a cathode. The anode includes a first current collector and anode active material. The anode active material is lithium metal or lithium alloy. The cathode includes a second current collector and cathode active material. The battery also includes an electrolyte film disposed between the cathode and the anode, and a porous film disposed between the electrolyte film and the anode. The battery includes an anolyte in the porous film between the electrolyte film and the anode, and a catholyte between the electrolyte film and the cathode. The catholyte is different from the anolyte, and the anolyte and the catholyte are separated by the electrolyte film and are not in contact with each other.

Abstract: A precursor composition of a gel electrolyte is provided, which includes (1) meta-stable nitrogen-containing polymer, (2) gelling promoter, (3) carbonate compound, and (4) metal salt. The (1) meta-stable nitrogen-containing polymer is formed by reacting (a) nitrogen-containing heterocyclic compound with (b) maleimide compound, wherein (a) nitrogen-containing heterocyclic compound and (b) maleimide compound have a molar ratio of 1:0.1 to 1:10.

Abstract: An anode and a lithium ion battery employing the same are provided. The anode includes a lithium-containing layer and a single-ion conductive layer. The single-ion conductive layer includes an inorganic particle, a single-ion conductor polymer, and a binder. The single-ion conductor polymer has a first repeat unit of Formula (I), a second repeat unit of Formula (II), a third repeat unit of Formula (III), and a fourth repeat unit of Formula (IV) wherein R1 is O?M+, SO3?M+, N(SO2F)?M+, N(SO2CF3)?M+, N(SO2CF2CF3)?M+, COO?M+, or PO4?M+; M+ is Li+, Na+, K+, Cs+, or a combination thereof; and R2 is CH3, CH2CH3, or CH2CH2OCH2CH3. In particular, the weight ratio of the inorganic particle to the sum of the single-ion conductor polymer and the binder is from 4:1 to 9:1, and the weight ratio of the binder to the single-ion conductor polymer is from 1:1 to 9:1.

Abstract: An electrolyte is provided, which includes (a) 100 parts by weight of oxide-based solid state inorganic electrolyte, (b) 20 to 70 parts by weight of [Li(—OR1)n?OR2]Y, wherein R1 is C1-4 alkylene group, R2 is C1-4 alkyl group, n is 2 to 100, and Y is PF6?, BF4?, AsF6?, SbF6?, ClO4?, AlCl4?, GaCl4?, NO3?, C(SO2CF3)3?, N(SO2CF3)2?, SCN?, CF3CF2SO3?, C6F5SO3?, CF3CO2?, SO3F?, B(C6H5)4?, CF3SO3?, or a combination thereof, (c) 1 to 10 parts by weight of nano oxide, and (d) 1 to 20 parts by weight of binder. The electrolyte can be disposed between a positive electrode and a negative electrode to form a battery.

Abstract: An anode and a lithium ion battery employing the same are provided. The anode includes a lithium-containing layer and a single-ion conductive layer. The single-ion conductive layer includes an inorganic particle, a single-ion conductor polymer, and a binder. The single-ion conductor polymer has a first repeat unit of Formula (I), a second repeat unit of Formula (II), a third repeat unit of Formula (III), and a fourth repeat unit of Formula (IV) wherein R1 is O?M+, SO3?M?, N(SO2F)?M+, N(SO2CF3)?M+, N(SO2CF2CF3)?M+, COO?M+, or PO4?M+; M+ is Li+, Na+, K+, Cs+, or a combination thereof; and R2 is CH3, CH2CH3, or CH2CH2OCH2CH3. In particular, the weight ratio of the inorganic particle to the sum of the single-ion conductor polymer and the binder is from 4:1 to 9:1, and the weight ratio of the binder to the single-ion conductor polymer is from 1:1 to 9:1.

Abstract: A lithium ion battery is provided, which includes a positive electrode, a negative electrode, and an electrolyte disposed between the positive electrode and the negative electrode. The negative electrode includes a current collector and a ?-phase-based polyvinylidene fluoride (?-PVDF) layer coating on the current collector. The ?-PVDF layer may have a thickness of 1 ?m to 10 ?m.

Abstract: An electrolyte is provided, which includes (a) 100 parts by weight of oxide-based solid state inorganic electrolyte, (b) 20 to 70 parts by weight of [Li(—OR1)n?OR2]Y, wherein R1 is C1-4 alkylene group, R2 is C1-4 alkyl group, n is 2 to 100, and Y is PF6?, BF4?, AsF6?, SbF6?, ClO4?, AlCl4?, GaCl4?, NO3?, C(SO2CF3)3?, N(SO2CF3)2?, SCN?, CF3CF2SO3?, C6F5SO3?, CF3CO2?, SO3F?, B(C6H5)4?, CF3SO3?, or a combination thereof, (c) 1 to 10 parts by weight of nano oxide, and (d) 1 to 20 parts by weight of binder. The electrolyte can be disposed between a positive electrode and a negative electrode to form a battery.

Abstract: nA precursor composition of a gel electrolyte is provided, which includes (1) meta-stable nitrogen-containing polymer, (2) gelling promoter, (3) carbonate compound, and (4) metal salt. The (1) meta-stable nitrogen-containing polymer is formed by reacting (a) nitrogen-containing heterocyclic compound with (b) maleimide compound, wherein (a) nitrogen-containing heterocyclic compound and (b) maleimide compound have a molar ratio of 1:0.1 to 1:10.

Abstract: A composite electrode material of a lithium secondary battery and a lithium secondary battery are provided. The composite electrode material of the lithium secondary battery at least includes an electrode active powder and a nanoscale coating layer coated on the surface of the electrode active powder, wherein the nanoscale coating layer is composed of a metastable state polymer, a compound A, a compound B, or a combination thereof. The compound A is a monomer having a reactive terminal functional group, and the compound B is a heterocyclic amino aromatic derivative used as an initiator. The weight ratio of the nanoscale coating layer to the composite electrode material of the lithium secondary battery is 0.005% to 10%.

Abstract: An anode material is provided for a surface of an electrode. The anode material comprises carbon-containing substrates and unsaturated compounds. At least one chemical bond is formed between the unsaturated compounds and the surfaces of the carbon-containing substrates.