Samsung Electronics Co., Ltd.

Samsung Display Co., Ltd.

Hp Printing Korea Co., Ltd.

Seong-il Park

Baek-Woon Lee

Kyong-Tae Park

Doo-Hyung Woo

Ji-Hye Eom

Il-Gon Kim

Cheol-Min Kim

Ho-Suk Maeng

Soong-Yong Joo

Kee-Chan Park

Seung-Kyu Lee

Chul-Ho Kim

Kyung-Hoon Kim

Chi-Woo Kim

Jeong-hun Pang

Yang-Hwa Choi

Tae-Hyeong Park

Yoon-Kyung Choi

Min-gyu Kim

Sang-hyun Park

Sun-Kwon Kim

Hyun-jung Park

Kee-chan Park

Han-sung Kim

Kook Chul Moon

Shang-Min Yhee

Se-woong Ahn

Zhi Feng Zhan

Provided are a fingerprint controller for driving a fingerprint sensing array in a touchscreen divided by at least a touch sensing region and a fingerprint sensing region, a method of operating the fingerprint controller, and a driver integrated circuit for driving the touchscreen including the fingerprint sensing array. The method includes: receiving a reference timing signal from an external module; generating a fingerprint sensing timing signal for driving the fingerprint sensing array in synchronization with the reference timing signal; and driving the fingerprint sensing array based on the fingerprint sensing timing signal.

Apparatus and method for driving fingerprint sensing array provided in touchscreen, and driver integrated circuit for driving the touchscreen including the fingerprint sensing array

A method of controlling job authority of an image forming apparatus that supports a P2P connection includes: storing a profile of a wireless device that is P2P connected to the image forming apparatus in the image forming apparatus; receiving and storing job authority information corresponding to the profile; when the wireless device requests the image forming apparatus to execute an operation, setting a job authority of the wireless device by using the profile and the job authority information; and checking the job authority of the wireless device by the image forming apparatus, and executing the requested job when the wireless device has the authority to perform the requested job.

Image forming apparatus supporting peer-to-peer connection and method of controlling job authority thereof

A display device and a method of driving the same in which moving image blurring is prevented and a contrast ratio is enhanced by providing a light-emitting element, switching transistors, and a driving transistor with driving signals that include specific voltages at predetermined times, so that the light-emitting element does not emit light for an entire frame and the light output is not influenced by a threshold voltage of the driving transistor.

Display device and method of driving the same

A method of notifying status information and an image forming apparatus using the same. The method of notifying status information includes setting a display attribute of status information of the image forming apparatus, if status information of the image forming apparatus is updated, generating status notification information in a first format or a second format according to whether a display attribute is set for the updated status information, and transmitting the generated status notification information. Accordingly, a user is notified of error occurrence in a manner as he/she wishes.

Method of notifying status information and image forming apparatus using the same

In a display device, the anode voltage of an organic light emitting element is periodically reset. The control terminal of a driving transistor is periodically reset, and an input data voltage is connected to the control terminal through an input terminal and an output terminal of the driving transistor. As a result, good control over the displayed luminance is achieved. Other features are also provided.

Display device and driving method thereof

A display device and a driving method thereof. The display device includes a plurality of pixels arranged in a matrix. Each pixel includes a light-emitting element, a driving transistor including an input terminal connected to a first node, a control terminal connected to a second node, and an output terminal, a capacitor connected between the second node and a driving voltage terminal, a switching transistor to transmit a data voltage to the first node, an emission control transistor connected between the output terminal of the driving transistor and the light-emitting element, a first compensation transistor connected between the second node and the output terminal of the driving transistor, a second compensation transistor to transmit a mobility compensation voltage to the first node, a driving control transistor to transmit a driving voltage to the first node, and a reset transistor to transmit a reset voltage to the emission control transistor.

Display device with improved luminance uniformity among pixels and driving method thereof

A display device includes a light emitting element, a capacitor, a driving transistor, and first to third switching units. The capacitor is connected between a first node and a second node. The driving transistor has an input terminal connected with a first voltage, an output terminal, and a control terminal connected with the second node, and it outputs a driving current to the light emitting element. The first switching unit selects and connects one of a data voltage and a second voltage to the first node. The second switching unit switches a connection between the second voltage and the second node. The third switching unit selects and connects one of the second node and the light emitting element to the output terminal of the driving transistor.

A display device includes a light emitting element to emit light having an intensity that varies depending on a magnitude of a driving current, a capacitor connected between a first node and a second node, a driving transistor having an input terminal connected to a first voltage, an output terminal, and a control terminal connected to the second node, a first switching unit to connect a data voltage and a second voltage to the first node, a second switching unit to switch a connection between the second voltage and the second node, a third switching unit to connect the second node and the light emitting element to the output terminal of the driving transistor, and a fourth switching unit to switch a connection between the control terminal and the input terminal of the driving transistor.

A network print system having plural terminal devices connected to one another through a network, including a first terminal device to create and send print data to the network, a second terminal device connected to the network, and a first network printer to notify the second terminal device of a reception of the print data if the print data is received through the network, and to adjust a number of copies to be printed for the print data if additional printouts of the print data are requested from the second terminal device. Thus, the present invention enables other users to share the print data in a simple manner.

Network printer adjusting the number of copies on request for additional printout and network print system using the same

A color profile generation method and apparatus are provided, in which at least one of a reference color and a color table of the reference color on a display screen of an image forming device is displayed and at least one of the reference color and the color table that is not displayed on the display screen is printed, a similar color is determined using the reference color and the color table, and a color profile is generated corresponding to the determined color. Accordingly, color of an image displayed on a display screen of an image forming device are matched with colors of an image printed on a printing medium.

Color profile generation method and apparatus

A display device includes a plurality of pixels, wherein each pixel includes: a light emitting element; a first capacitor connected between a first node and a second node; a driving transistor having an input terminal, an output terminal, and a control terminal connected to the second node where the driving transistor supplies a driving current to the light emitting element to emit light; a first switching unit supplying a first reference voltage to the driving transistor according to a first scanning signal and connecting the first node to a data voltage or the driving transistor; and a second switching unit supplying a driving voltage to the driving transistor according to a second scanning signal and connecting the first node to the data voltage. Accordingly, variations in threshold voltage of the driving transistor can be compensated for so that it is possible to display a uniform image.

Organic light emitting diode display device and driving method thereof

A level shifter includes: a voltage dividing unit receiving a first voltage and an input voltage, and generating a middle voltage between the first voltage and the input voltage; first and second voltage compensating units connected to the voltage dividing unit and connected between the first voltage and a second voltage, for compensating a voltage variation of the voltage dividing unit; and an output unit receiving an output from the voltage dividing unit and generating an output voltage.

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Seoul, South Korea

Seong-il Park