1. A benzophenone compound of formula (1) below:
wherein Y1 is one selected from the group consisting of a H, a OH, an N(R1)(R2), a SH, and a substituted or unsubstituted C1\u2013C30 heteroalkyl group;
each of Y2 and Y3 is independently selected from the group consisting of a H, a OH, an N(R1)(R2), a SH, a substituted or unsubstituted C1\u2013C30 alkyl group, a substituted or unsubstituted C1\u2013C30 alkenyl group, a substituted or unsubstituted C1\u2013C30 alkynyl group, a substituted or unsubstituted C1\u2013C30 heteroalkyl group, a substituted or unsubstituted C6\u2013C30 aryl group, a substituted or unsubstituted C7\u2013C30 arylalkyl group, a substituted or unsubstituted C3\u2013C30 heteroaryl group, and a substituted or unsubstituted C4\u2013C30 heteroarylalkyl group;
X is selected from the group consisting of a substituted or unsubstituted C1\u2013C30 alkylene group, a substituted or unsubstituted C1\u2013C30 alkenylene group, a substituted or unsubstituted C1\u2013C30 alkynylene group, a substituted or unsubstituted C1\u2013C30 heteroalkylene group, a substituted or unsubstituted C6\u2013C30 arylene group, a substituted or unsubstituted C7\u2013C30 arylenealkylene group, a substituted or unsubstituted C3\u2013C30 heteroarylene group, and a substituted or unsubstituted C4\u2013C30 heteroarylenealkylene group;
Y is a linker selected from the group consisting of \u2014O\u2014, \u2014CO\u2014, \u2014NR1\u2014, \u2014N\u2550N\u2014, \u2014S\u2014, \u2014NH\u2014, \u2014CH\u2550CH\u2014, \u2014C\u2261C\u2014, \u2014C(\u2550O)NR1\u2014, \u2014NR1CO\u2014, \u2014SO2\u2014, \u2014SO3\u2014, \u2014COO\u2014, \u2014OCO\u2014, \u2014C(\u2550S)\u2014O\u2014, \u2014OC(\u2550S)\u2014, \u2014CO\u2014O\u2014CO\u2014, \u2014CO\u2014S\u2014CO\u2014, \u2014CO\u2014NR1\u2014CO\u2014, \u2014C(\u2550S)\u2014O\u2014C(\u2550S)\u2014, \u2014C(\u2550S)\u2014S\u2014C(\u2550S)\u2014, \u2014C(\u2550S)\u2014NR1\u2014C(\u2550S)\u2014, \u2014NHCO\u2014R3\u2014COO\u2014, \u2014OCO\u2014R3\u2014CONH\u2014, \u2014OCO\u2014R3\u2014COO\u2014, \u2014O\u2014P(\u2550O)(OH)\u2014O\u2014, and \u2014O\u2014P(OH)\u2014O\u2014; and
Z is a moiety of one of formulas (2) and (3) below:
wherein each of R1 and R2 is independently one of a hydrogen atom and a C1\u2013C6 alkyl group; n is an integer from 0 to 6; R3 is selected from the same group for said X; each of a, b, and c is independently an integer from 1 to 20; each of R4 and R5 is independently a C1\u2013C10 alkyl group; each of R6 and R7 is independently one of a hydrogen atom and a methyl group; R8 is one of a substituted or unsubstituted C1\u2013C20 alkylene group and a substituted or unsubstituted C6\u2013C20 arylene group; W is one of \u2014COOH, \u2014NH2, and \u2014OH; and each of k and l is independently an integer from 1 to 10.
2. An ink composition comprising;
a colorant;
an aqueous medium; and
at least one of the benzophenone compound of formula (1) below:
wherein Y1 is one selected from the group consisting of a H, a OH, an N(R1)(R2), a SH, and a substituted or unsubstituted C1\u2013C30 heteroalkyl group;
each of Y2 and Y3 is independently selected from the group consisting of a H, a OH, an N(R1)(R2), a SH, a substituted or unsubstituted C1\u2013C30 alkyl group, a substituted or unsubstituted C1\u2013C30 alkenyl group, a substituted or unsubstituted C1\u2013C30 alkynyl group, a substituted or unsubstituted C1\u2013C30 heteroalkyl group, a substituted or unsubstituted C6\u2013C30 aryl group, a substituted or unsubstituted C7\u2013C30 arylalkyl group, a substituted or unsubstituted C3\u2013C30 heteroaryl group, and a substituted or unsubstituted C4\u2013C30 heteroarylalkyl group;
X is selected from the group consisting of a substituted or unsubstituted C1\u2013C30 alkylene group, a substituted or unsubstituted C1\u2013C30 alkenylene group, a substituted or unsubstituted C1\u2013C30 alkynylene group, a substituted or unsubstituted C1\u2013C30 heteroalkylene group, a substituted or unsubstituted C6\u2013C30 arylene group, a substituted or unsubstituted C7\u2013C30 arylenealkylene group, a substituted or unsubstituted C3\u2013C30 heteroarylene group, and a substituted or unsubstituted C4\u2013C30 heteroarylenealkylene group;
Y is a linker selected from the group consisting of \u2014O\u2014, \u2014CO\u2014, \u2014NR1,\u2014, \u2014N\u2550N\u2014, \u2014S\u2014, \u2014NH\u2014, \u2014CH\u2550CH\u2014, \u2014C\u2261C\u2014, \u2014C(\u2550O)NR1\u2014, \u2014NR1CO\u2014, \u2014SO2\u2014, \u2014SO3\u2014, \u2014COO\u2014, \u2014OCO\u2014, \u2014C(\u2550S)\u2014O\u2014, \u2014OC(\u2550S)\u2014, \u2014CO\u2014O\u2014CO\u2014, \u2014CO\u2014S\u2014CO\u2014, \u2014CO\u2014NR1\u2014CO\u2014, \u2014C(\u2550S)\u2014O\u2014C(\u2550S)\u2014, \u2014C(\u2550S)\u2014S\u2014C(\u2550S)\u2014, \u2014C(\u2550S)\u2014NR1\u2014C(\u2550S)\u2014, \u2014NHCO\u2014R3\u2014COO\u2014, \u2014OCO\u2014R3\u2014CONH\u2014, \u2014OCO\u2014R3\u2014COO\u2014, \u2014O\u2014P(\u2550O)(OH)\u2014O\u2014, and \u2014O\u2014P(OH)\u2014O\u2014; and
Z is a moiety of one of formulas (2) and (3) below:
wherein each of R1 and R2 is independently one of a hydrogen atom and a C1\u2013C6 alkyl group; n is an integer from 0 to 6; R3 is selected from the same group for said X; each of a, b, and c is independently an integer from 1 to 20; each of R4 and R5 is independently a C1\u2013C10 alkyl group; each of R6 and R7 is independently one of a hydrogen atom and a methyl group; R8 is one of a substituted or unsubstituted C1\u2013C20 alkylene group and a substituted or unsubstituted C6\u2013C20 arylene group; W is one of \u2014COOH, \u2014NH2, and \u2014OH; and each of k and l is independently an integer from 1 to 10.
3. The ink composition of claim 2, wherein an amount of the colorant is in a range of 0.1\u201320 parts by weight with respect to 100 parts by weight of the ink composition.
4. The ink composition of claim 2, wherein an amount of the benzophenone compound is in a range of 0.1\u201340 parts by weight with respect to 100 parts by weight of the ink composition.
5. The ink composition of claim 2, wherein the aqueous medium is water or a mixture of 5\u201310% by weight of an organic solvent and 50\u201395% by weight of water.
6. The ink composition of claim 2, wherein the colorant is at least one selected from the group consisting of carbon black, graphite, vitreous carbon, activated charcoal, activated carbon, anthraquinones, phthalocyanine blue, phthalocyanine green, diazos, monoazos, pyranthrones, perylenes, quinacridones, and indigoid pigments.
7. The ink composition of claim 5, wherein the organic solvent is selected from the group consisting of methyl alcohol, ethyl alcohol, n-propyl alcohol, isopropyl alcohol, n-butyl alcohol, sec-butyl alcohol, t-butyl alcohol, isobutyl alcohol, acetone, methylethyl ketone, diethyl ketone, diacetone alcohol, methyl acetate, ethyl acetate, ethyl lactate, ethylene glycol, diethylene glycol, triethylene glycol, propylene glycol, butylene glycol, 1,4-butane diol, 1,2,4-butane triol, 1,5-pentane diol, 1,2,6-hexane triol, hexylene glycol, glycerol, glycerol ethoxylate, trimethylolpropane ethoxylate, ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, diethylene glycol methyl ether, diethylene glycol ethyl ether, triethylene glycol monomethyl ether, triethylene glycol monoethyl ether, 2-pyrrolidone, N-methyl-2-pyrrolidone, dimethyl sulfoxide, tetramethylene sulfone, and thioglycol.
8. The ink composition of claim 2, further comprising at least one additive selected from the group consisting of a viscosity adjuster, a surfactant, and a wetting agent, wherein an amount of the at least one additive is in a range of 0.5\u201340 parts by weight with respect to 100 parts by weight of the ink composition.
9. The ink composition of claim 2, wherein at least one benzophenone derivative has the formula (11):
10. The ink composition of claim 2, wherein at least one benzophenone derivative has the formula (12):
11. The ink composition of claim 2, wherein at least one benzophenone derivative has the formula (14):
12. The ink composition of claim 2, wherein at least one benzophenone derivative has the formula (15):
13. The ink composition of claim 2, wherein at least one benzophenone derivative has the formula (17):
14. The ink composition of claim 2, wherein at least one benzophenone derivative has the formula (18):
15. The ink composition of claim 2, wherein at least one benzophenone derivative has the formula (19):
16. An ink composition comprising:
a colorant;
an aqueous medium; and
at least one benzophenone derivative that has the formula (21):
17. An ink composition comprising:
a colorant;
an aqueous medium; and
at least one benzophenone derivative that has the formula (22):
18. An ink composition comprising:
a colorant;
an aqueous medium; and
a UV light-absorbing benzophenone compound,
wherein the benzophenone compound is represented by formula (1) below:
wherein Y1 is one selected from the group consisting of a H, a OH, an N(R1)(R2), a SH, and a substituted or unsubstituted C1\u2013C30 heteroalkyl group;
each of Y2 and Y3 is independently selected from the group consisting of a H, a OH, an N(R1)(R2), a SH, a substituted or unsubstituted C1\u2013C30 alkyl group, a substituted or unsubstituted C1\u2013C30 alkenyl group, a substituted or unsubstituted C1\u2013C30 alkynyl group, a substituted or unsubstituted C1\u2013C30 heteroalkyl group, a substituted or unsubstituted C6\u2013C30 aryl group, a substituted or unsubstituted C7\u2013C30 arylalkyl group, a substituted or unsubstituted C3\u2013C30 heteroaryl group, and a substituted or unsubstituted C4\u2013C30 heteroarylalkyl group;
X is selected from the group consisting of a substituted or unsubstituted C1\u2013C30 alkylene group, a substituted or unsubstituted C1\u2013C30 alkenylene group, a substituted or unsubstituted C1\u2013C30 alkynylene group, a substituted or unsubstituted C1\u2013C30 heteroalkylene group, a substituted or unsubstituted C6\u2013C30 arylene group, a substituted or unsubstituted C7\u2013C30 arylenealkylene group, a substituted or unsubstituted C3\u2013C30 heteroarylene group, and a substituted or unsubstituted C4\u2013C30 heteroarylenealkylene group;
Y is a linker selected from the group consisting of \u2014O\u2014, \u2014CO\u2014, \u2014NR1\u2014, \u2014N\u2550N\u2014, \u2014S\u2014, \u2014NH\u2014, \u2014CH\u2550CH\u2014, \u2014C\u2261C\u2014, \u2014C(\u2550O)NR1\u2014, \u2014NR1CO\u2014, \u2014SO2\u2014, \u2014SO3\u2014, \u2014COO\u2014, \u2014OCO\u2014, \u2014C(\u2550S)\u2014O\u2014, \u2014OC(\u2550S)\u2014, \u2014CO\u2014O\u2014CO\u2014, \u2014CO\u2014S\u2014CO\u2014, \u2014CO\u2014NR1\u2014CO\u2014, \u2014C(\u2550S)\u2014O\u2014C(\u2550S)\u2014, \u2014C(\u2550S)\u2014S\u2014C(\u2550S)\u2014, \u2014C(\u2550S)\u2014NR1\u2014C(\u2550S)\u2014, \u2014NHCO\u2014R3\u2014COO\u2014, \u2014OCO\u2014R3\u2014CONH\u2014, \u2014OCO\u2014R3\u2014COO\u2014, \u2014O\u2014P(\u2550O)(OH)\u2014O\u2014, and \u2014O\u2014P(OH)\u2014O\u2014; and
Z is a moiety of one of formulas (2) and (3) below:
wherein each of R1 and R2 is independently one of a hydrogen atom and a C1\u2013C6 alkyl group; n is an integer from 0 to 6; R3 is selected from the same group for said X; each of a, b, and c is independently an integer from 1 to 20; each of R4 and R5 is independently a C1\u2013C10 alkyl group; each of R6 and R7 is independently one of a hydrogen atom and a methyl group; R8 is one of a substituted or unsubstituted C1\u2013C20 alkylene group and a substituted or unsubstituted C6\u2013C20 arylene group; W is one of \u2014COOH, \u2014NH2, and \u2014OH; and each of k and l is independently an integer from 1 to 10.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A semiconductor memory device comprising:
memory units each of which includes first and second select transistors and memory cells connected in series between the first and second select transistors;
first and second select gate lines connected to gates of the first and second select transistors, respectively;
word lines connected to gates of the memory cells, respectively;
a bit line connected to the first select transistor;
a source line connected to the second select transistor; and
a control circuit configured to perform voltage control of the memory units,
wherein the control circuit:
applies a first potential difference between a source and a drain of either the first or second select transistor in a first memory unit, thereby programming either the first or second select transistor,
applies a second potential difference lower than the first potential difference between a source and a drain of either a third or fourth select transistor in a second memory unit connected in common to a same select gate line as that of the first memory unit, thereby inhibiting either the third or fourth select transistor from being programmed, and
raises a body potential of a third memory unit using capacitive coupling by a voltage applied to the word line and transfers the raised body potential to the bit line when programming either the first or second select transistor, the third memory unit not sharing the word lines with the first memory unit.
2. The device of claim 1, wherein the control circuit programs the first select transistor and applies a first voltage to the bit line and a second voltage to the gate of the first select transistor in a state where a memory cell adjacent to the first select transistor has been pinched off.
3. The device of claim 1, wherein the control circuit programs the second select transistor and applies a first voltage to the source line and a second voltage to the gate of the second select transistor in a state where a memory cell adjacent to the second select transistor has been pinched off.
4. The device of claim 1, wherein the control circuit generates the first or second potential difference using the raised potential transferred to the bit line.
5. The device of claim 2, wherein the control circuit performs a verify operation for determining a threshold voltage of the first select transistor before programming the first select transistor.
6. The device of claim 3, wherein the control circuit performs a verify operation for determining a threshold voltage of the second select transistor before programming the second select transistor.
7. The device of claim 5, wherein the control circuit repeats loops each including a verify operation and a program operation and raises at least one of the first voltage and the second voltage stepwise in the loops.
8. The device of claim 5, wherein the control circuit repeats loops each including a verify operation and a program operation and lowers a gate voltage of the memory cell adjacent to the first select transistor stepwise in the loops.
9. The device of claim 5, wherein the control circuit programs at least one of the memory cells and applies an off voltage to a gate of the programmed memory cell included in the third memory unit not sharing the word lines with the first memory unit in the verify operation.
10. The device of claim 5, wherein the control circuit makes a voltage of the source line higher than a ground voltage in the verify operation.
11. The device of claim 1, further comprising a MOS transistor connected to the bit line and configured to bring the bit line into a floating state in charging the bit line.
12. The device of claim 1, wherein the memory cells are stacked vertically and share a pillar-shaped semiconductor layer.
13. A semiconductor memory device comprising:
memory units each of which includes first and second select transistors and memory cells connected in series between the first and second select transistors, the memory cells being stacked vertically and sharing a pillar-like semiconductor layer;
first and second select gate lines connected to gates of the first and second select transistors, respectively;
word lines connected to gates of the memory cells, respectively;
a bit line connected to the first select transistor;
a source line connected to the second select transistor; and
a control circuit configured to perform voltage control of the memory units,
wherein the control circuit:
applies a write voltage to a gate of the first select transistor included in a first memory unit, thereby programming the first select transistor,
applies a first voltage to the bit line connected to a third select transistor included in a second memory unit connected in common to a same select gate line as that of the first memory unit, thereby inhibiting the third select transistor from being programmed, and
raises a body potential of a third memory unit using capacitive coupling by a voltage applied to the word line and transfers the raised body potential to the bit line when programming the first select transistor, the third memory unit not sharing the word lines with the first memory unit.
14. The device of claim 13, wherein the control circuit performs a verify operation for determining a threshold voltage of the first select transistor before programming the first select transistor.
15. The device of claim 14, wherein the control circuit repeats loops each including a verify operation and a program operation and raises the write voltage stepwise in the loops.
16. The device of claim 14, wherein the control circuit programs at least one of the memory cells and applies an off voltage to a gate of the programmed memory cell included in the third memory unit not sharing the word lines with the first memory unit in the verify operation.
17. The device of claim 13, further comprising a MOS transistor connected to the bit line and configured to bring the bit line into a floating state in charging the bit line.