Abstract: A multi-functional pen apparatus and a method for using the multi-functional pen are provided. The method includes switching an operation mode of the multi-functional pen to a pen mode according to a predetermined key input; receiving pen data in the switched pen mode; and transmitting the pen data to a portable terminal, wherein the portable terminal transmits a call based on the transmitted pen data.

Abstract: A haptic feedback control method and apparatus for a wireless terminal including a touch screen. The haptic feedback control method includes receiving a touch input from a user, sensing a voltage or current signal at a position where the touch input is received, transmitting a driving signal to an actuator based on the sensed signal, generating, by the actuator, a vibration output based on the driving signal at the position on the touch screen where the touch input is received, generating a control pulse having a predetermined time delay while generating the vibration output, and stopping the vibration output by applying the control pulse to the vibration output.

Abstract: Control of vibrations generated in a portable terminal is disclosed. The vibration generating apparatus includes a plurality of vibrators mounted to the portable terminal to be spaced apart from each other by a predetermined interval and having different resonance frequencies; and a control unit configured to determine vibration generation patterns of the plurality of vibrators according to a vibration event and to drive the plurality of vibrators according to the vibration generation patterns.

Abstract: A liquid crystal includes about 60 wt % to about 80 wt % of a first compound material, about 2 wt % to about 15 wt % of a second compound material, and a neutral compound material. The first compound material has a dielectric anisotropy of a first polarity, and the second compound material has a dielectric anisotropy of a second polarity.

Abstract: An apparatus for arranging a spacer includes a substrate, a roller, and an adhesion unit. The substrate includes a recessed portion. A spacer, which maintains a cell gap of a display panel and has an adhesive member formed thereon, is received in the recessed portion. The roller corresponds to the spacer. The roller makes contact with an exposed portion of the adhesive member. The adhesion unit provides for an adhesive strength between the exposed portion of the adhesive member and the roller that exceeds an adhesive strength between the received portion of the adhesive member and the recessed portion of the substrate so that the spacer may be printed on the roller. Therefore, a cell gap uniformity of a display device may be improved.

Abstract: A method and apparatus for generating vibration in a portable terminal are provided. The apparatus for generating vibration in a portable terminal includes a plurality of vibrators mounted and driven to generate vibration in a single vibration direction at positions separated from each other by predetermined distances on the portable terminal, and a controller for determining respective vibration patterns of the plurality of vibrators according to a control operation of the portable terminal and driving the plurality of vibrators according to the vibration patterns.

Abstract: A liquid crystal composition and a liquid crystal display including the liquid crystal composition that includes a first class containing a fluorine-containing liquid crystal compound represented by Formula I (n=1, 2, or 3), and a second class containing at least one neutral liquid crystal compound represented by Formulae III, IV, and V. In Formula I, W1 and W2 are each independently selected from the group consisting of —F, —CF3, —CF2H, —OCF3, and —OCF2H, the liquid crystal compounds represented by Formulae I, III, IV, and V have R1, R2, and R5 to R10 that are any one of a hydrogen atom, and an alkyl group, an alkoxy group, and an alkenyl group having 1 to 12 carbon atoms as terminal groups, and a first sub-class has a content of 6 wt % or less based on a total content of the first class and the second class, with the proviso that a liquid crystal compound of the first class having n=1 is the first sub-class and a liquid crystal compound of the first class having n=2 or 3 is a second sub-class.

Abstract: The present invention discloses a liquid crystal composition having a first class compound including a fluorine-containing compound, and a second class compound including a neutral liquid crystal compound, where each terminal group of the neutral crystal compound includes an alkyl group, an alkoxy group, or an alkenyl group. If the neutral liquid crystal compound includes an alkenyl group at the terminal group, the liquid crystal composition includes less than 7 wt % of the neutral crystal compound including the alkenyl group. The present invention also discloses a liquid crystal display including the aforementioned liquid crystal composition.

Abstract: An apparatus for arranging a spacer includes a substrate, a roller, and an adhesion unit. The substrate includes a recessed portion. A spacer, which maintains a cell gap of a display panel and has an adhesive member formed thereon, is received in the recessed portion. The roller corresponds to the spacer. The roller makes contact with an exposed portion of the adhesive member. The adhesion unit provides for an adhesive strength between the exposed portion of the adhesive member and the roller that exceeds an adhesive strength between the received portion of the adhesive member and the recessed portion of the substrate so that the spacer may be printed on the roller. Therefore, a cell gap uniformity of a display device may be improved.

Abstract: A haptic feedback device for a portable terminal. The haptic feedback device includes an input member, a vibration member that passes through the input member, and serves as a rotation axis of the input member, and a piezo actuator in contact with the vibration member. As the input member rotates or pivots with respect to the rotation axis, the piezo actuator actuates to vibrate the vibration member.

Abstract: An apparatus for printing a liquid crystal alignment layer of uniform thickness on a substrate of an LCD and a method for its use include an ink jet head that prevents the formation of stripes in the alignment layer as a result of variations in thickness of the alignment layer. The apparatus includes an alignment layer ink ejecting unit that includes an orifice unit having a plurality of orifices, and a plurality of control units, each including a piezoelectric element that controls the flow of ink through a corresponding one of the orifices. Each of the orifices includes a plurality of ink ejection passages through which the ink is ejected, and each of the passages terminates at nozzle, or ink ejection hole.

Abstract: Disclosed is a method for providing a haptic feedback in a touch screen, which includes displaying a plurality of soft buttons on a touch screen; applying a first pattern vibration to the touch screen if a pressing detection value for a corresponding soft button according to contact of a user input means reaches a predetermined first threshold value; and applying a second pattern vibration to the touch screen if a pressing detection value for the corresponding soft button reaches a predetermined second threshold value, the second pattern vibration being different from the first pattern vibration, the second threshold value being different from the first threshold value.

Abstract: A liquid crystal display, a method for manufacturing the same, and an apparatus for manufacturing the same are provided. A method includes forming a field-generating electrode on a panel, and forming an inorganic alignment layer on the substrate by using atmospheric pressure plasma. The process using the atmospheric pressure plasma to form the inorganic alignment layer is more simplified by omitting the etch steps of the short point area and the pad areas. Also, alignment layers may be formed on the mother glass with various shapes by using one apparatus.

Abstract: Disclosed is a vibration motor for a portable terminal, including a flat spring; a cylindrical magnetic substance mounted on the flat spring; an annular magnetic substance disposed around the cylindrical magnetic substance mounted on the flat spring; and a coil disposed between the cylindrical magnetic substance and the annular magnetic substance, wherein the magnetic substances perform a linear reciprocal movement by the electromagnetic force generated between the magnetic substances and the coil and by the elastic force of the flat spring as an electric current is applied to the coil. The vibration motor operates at higher resonant frequencies than those of conventional vibration motors, thereby improving the sense of an after-vibration and realizing a delicate haptic feedback function.

Abstract: A vibration motor includes a first resilient member and a second resilient member providing resilient forces in opposite directions; a first vibrator and a second vibrator coupled to the first resilient member and the second resilient member respectively; a magnetic body coupled to the first vibrator to create a magnetic field; and a coil applying a current of a predetermined frequency band in the region where the magnetic field is created.

Abstract: An apparatus for arranging a spacer includes a substrate, a roller, and an adhesion unit. The substrate includes a recessed portion. A spacer, which maintains a cell gap of a display panel and has an adhesive member formed thereon, is received in the recessed portion. The roller corresponds to the spacer. The roller makes contact with an exposed portion of the adhesive member. The adhesion unit provides for an adhesive strength between the exposed portion of the adhesive member and the roller that exceeds an adhesive strength between the received portion of the adhesive member and the recessed portion of the substrate so that the spacer may be printed on the roller. Therefore, a cell gap uniformity of a display device may be improved.

Abstract: An apparatus for printing a liquid crystal alignment layer of uniform thickness on a substrate of an LCD and a method for its use include an ink jet head that prevents the formation of stripes in the alignment layer as a result of variations in thickness of the alignment layer. The apparatus includes an alignment layer ink ejecting unit that includes an orifice unit having a plurality of orifices, and a plurality of control units, each including a piezoelectric element that controls the flow of ink through a corresponding one of the orifices. Each of the orifices includes a plurality of ink ejection passages through which the ink is ejected, and each of the passages terminates at nozzle, or ink ejection hole.

Abstract: A liquid crystal composition and a liquid crystal display including the liquid crystal composition that includes a first class containing a fluorine-containing liquid crystal compound represented by Formula I (n=1, 2, or 3), and a second class containing at least one neutral liquid crystal compound represented by Formulae III, IV, and V. In Formula I, W1 and W2 are each independently selected from the group consisting of —F, —CF3, —CF2H, —OCF3, and —OCF2H, the liquid crystal compounds represented by Formulae I, III, IV, and V have R1, R2, and R5 to R10 that are any one of a hydrogen atom, and an alkyl group, an alkoxy group, and an alkenyl group having 1 to 12 carbon atoms as terminal groups, and a first sub-class has a content of 6 wt % or less based on a total content of the first class and the second class, with the proviso that a liquid crystal compound of the first class having n=1 is the first sub-class and a liquid crystal compound of the first class having n=2 or 3 is a second sub-class.

Abstract: A liquid crystal composition and a liquid crystal display including the liquid crystal composition that includes a first class containing a fluorine-containing liquid crystal compound represented by Formula I (n=1, 2, or 3), and a second class containing at least one neutral liquid crystal compound represented by Formulae III, IV, and V. In Formula I, W1 and W2 are each independently selected from the group consisting of —F, —CF3, —CF2H, —OCF3, and —OCF2H, the liquid crystal compounds represented by Formulae I, III, IV, and V have R1, R2, and R5 to R10 that are any one of a hydrogen atom, and an alkyl group, an alkoxy group, and an alkenyl group having 1 to 12 carbon atoms as terminal groups, and a first sub-class has a content of 6 wt % or less based on a total content of the first class and the second class, with the proviso that a liquid crystal compound of the first class having n=1 is the first sub-class and a liquid crystal compound of the first class having n=2 or 3 is a second sub-class.

Abstract: Provided are a liquid crystal composition and a liquid crystal display (LCD) including the liquid crystal composition. The LCD includes a first display panel a second display panel facing the first display panel, and a liquid crystal composition disposed between the first display panel and the second display panel. If a dielectric constant in a direction parallel to a long axis of liquid crystals is defined as a horizontal dielectric constant ??, a dielectric constant in a direction perpendicular to the long axis of the liquid crystals is defined as a vertical dielectric constant ??, and the difference between the vertical dielectric constant ?? and the horizontal dielectric constant ?? is defined as dielectric anisotropy ??, then a ratio ??/?? of the dielectric anisotropy ?? to the vertical dielectric constant ?? of the liquid crystal composition is 0.5 or less.